A New Year Bash

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Tavern Brawl - promo.png The subject of this article is part of the
Tavern Brawl game mode.

A New Year Bash.png
"The party is here! Work together with another player to decorate the tavern and kickoff a grand New Year of Hearthstone."

A New Year Bash (previously known as A Mammoth of a New Year) is a Tavern Brawl. It made its debut on March 29, 2017.

The fourth cooperative Tavern Brawl, this Brawl was part of a three-part series of special Tavern Brawls which celebrated the start of the Year of the Mammoth. This brawl was again released a day after the release of The Boomsday Project expansion in 2018, and again on Christmas day in 2019.


Tavern Brawl Start End Notes
94 March 29, 2017 April 3, 2017 Journey to Un'Goro pack reward
165 August 8, 2018 August 13, 2018 Brawl renamed to A New Year Bash
237 December 25, 2019 January 1, 2020


Party crashers dialog.png

This cooperative Brawl revolves around decorating the tavern while fighting with Party Crashers and a Piñata Golem boss. One player will play as druid, and the other as rogue.

This Brawl can be described as having two stages:

  • Stage 1 - Both players are able to use their Hero Power to decorate the tavern. Party Crashers begin spawning at the start of the second player's second turn, ruining the fun.
  • Stage 2 - After decorating the Tavern with 25 pieces, the Piñata Golem boss appears and the players' Hero Powers are changed to Pelt. The piñata boss is able to use two abilities to destroy players' minions: Something in the Punch and Noise Complaint. Hitting the piñata will give candy cards, such as Rock Candy and Divine Sweets, to help players defeat it. After crushing and defeating the piñata, both players win the Brawl.

Special cards[edit]

Mammoth of a New Year Thank You.png

Piñata Golem[edit]

Piñata Golem(52610).png
Party Crasher(52614).png
Something in the Punch(52616).png
Noise Complaint(52620).png

Player cards[edit]

Party Supplies(52617).png
Rock Candy(52607).png
Divine Sweets(52609).png
Regenerative Cookies(52608).png

Choice cards[edit]

Like a Sore Thumb(52619).png
Fruit Plate(52618).png

Player Hero Powers[edit]



The players' starting decks, listed below, contain 28 cards each. However, once the Piñata Golem boss spawns, two Party Supplies cards are shuffled into each player's deck, without animation. Therefore, the decks can be "considered" to contain 30 cards each.


Mammoth tb druid.png
Class Mana Card Number
Druid 1 Jade Idol 2
1 Naturalize 2
3 Grove Tender 2
3 Healing Touch 2
3 Jade Blossom 2
10 Kun the Forgotten King 1
Neutral 1 Mistress of Mixtures 2
3 Arcane Golem 1
3 Dancing Swords 1
4 Daring Reporter 1
4 Jade Spirit 4
4 Refreshment Vendor 1
5 Antique Healbot 1
5 Azure Drake 2
5 Corrupted Healbot 2
6 Aya Blackpaw 1
9 Icehowl 1

Total: 28/28


Mammoth tb rogue.png
Class Mana Card Number
Rogue 0 Shadowstep 1
2 Sap 1
3 Beneath the Grounds 1
3 Shadow Strike 2
4 Tomb Pillager 2
6 Trade Prince Gallywix 1
9 Anub'arak 1
Neutral 1 Mistress of Mixtures 2
2 Nat, the Darkfisher 1
3 Coldlight Oracle 1
3 Earthen Ring Farseer 1
3 King Mukla 1
4 Daring Reporter 1
4 Gormok the Impaler 1
4 Twilight Drake 2
5 Antique Healbot 1
5 Burgly Bully 1
5 Corrupted Healbot 1
5 Frostwolf Warlord 1
5 Gurubashi Berserker 1
5 Spiked Hogrider 1
6 Drakonid Crusher 1
6 The Beast 1
9 North Sea Kraken 1

Total: 28/28


Stage 1
  • The starting Hero Power, Decorate, always costs all of the current player's available mana, and adds that many decorations to the shared pool of decorations. In the case that the player has 0 mana, the hero power will turn over and become unusable.
  • Starting on the second player's second turn (2-mana), at the start of each player's turn, if that player has fewer than 2 Party Crashers and fewer than 7 minions, a Party Crasher is spawned for that player.
  • At the end of each player's turn, all Party Crasher cards in both players' hands are automatically discarded.
Stage 2
  • The Piñata Golem boss will spawn on the side of the player who used their hero power to spawn it.
  • If the boss tries to spawn or move into a player's field which has a full board of 7 minions, all of that player's minions will be destroyed by Noise Complaint. This includes Party Crashers, but the destroy effect occurs after the Party Crashers attack.
  • New Party Crasher minions spawned in Stage 2 are now buffed from 3/5 to 5/7 via an enchantment called "Raucous".
  • When the boss golem spawns, two Party Supplies cards are shuffled into each player's deck. There is no shuffling animation, but it can be seen that the deck sizes of each player's deck have increased by two.
  • The order of events for Stage 2 is as follows:
  1. Player 2 Hero Powered, reaching 25 decorations. At the end of the turn, Player 2's Party Crashers attack Player 1. Then the Piñata Golem spawns on Player 2's side of the field. If Player 2's board is filled, all minions including Party Crashers are destroyed on that side. Also, if there is space on Player 1's side of the board, a 5/7 Party Crasher spawns there.
  2. From now on, the following repeats itself at the end of each player's turn:
    1. The player's Party Crashers, if any exist, will attack the other player.
    2. If the player's board is completely filled with 7 minions, Noise Complaint will destroy all of the player's minions.
    3. On the other side of the board, a 5/7 Party Crasher attempts to spawn next to the Piñata Golem. If the board is filled with 7 minions, including the Piñata Golem, no Party Crasher spawns.
    4. The Piñata Golem boss then moves to the opposite side of the board (to the player's side of the board).
    5. Finally, during this time, Something in the Punch may be cast by the Piñata Golem, dealing 2 damage to all non-Party Crasher characters.
  • The Piñata Golem boss uses his ability Something in the Punch randomly, starting from the second turn after he is summoned. Note that he cannot use this ability upon being summoned. However, the ability can be used twice in a row in back-to-back turns thereafter. Also note that this area-of-effect ability damages the Piñata Golem as well.


  • Get board control. You should aim to have many high-health minions on your board, preferably with at least 8 health, before getting to 25 decorations.
  • Kill off small minions to make room for larger ones.
  • If your teammate has two Party Crashers and both cannot be killed off in a single turn, don't destroy one. You waste a turn by destroying one because another Party Crasher will spawn in its place at the end of your turn. No Party Crasher will spawn if the teammate already has two on the field.
    • At the end of each turn, make sure you have enough minions on the field and/or resources in hand to clear the Party Crasher that spawns for the next turn.
  • Each deck has enough ways to draw or generate cards that Grove Tender should be used for Mana in the early game. Later on if card draw is lacking, Grove Tender should be used for card draw. Note that the use of Grove Tender for mana gain in the early game is not as debatable as in the previous three cooperative Tavern Brawls, but if your starting hand as Druid is very low-cost, you should consider using Grove Tender to draw instead.
    • When generating Mana from Grove Tender, remember that the extra crystal can be used on the same turn since it is a full Mana Crystal.
  • While playing as Druid, consider saving your spells until Rogue plays Trade Prince Gallywix. Give the teammate a Healing Touch or a Naturalize. Be careful when giving the teammate a Naturalize though; make sure both of you have enough hand space to prevent unnecessary milling of cards.
    • Giving your teammate Jade Idols is not too optimal, since the Rogue has to play many Jade Idols before their Jade Golems can become even moderately strong. The Rogue can get rid of Jade Idols by playing them when their board is full, thus effectively destroying the card, freeing up hand space, while not-so-importantly buffing their future Jade Golems. Note that in contrast, Jade Blossom cannot be played on a full board, unless you have less than 10 maximum mana crystals.
  • The Rogue should not play Trade Prince Gallywix and Burgly Bully together on the same board, unless their hand is almost empty. If both are on the field together, the Druid upon using any spell will double the cards given to the Rogue and this can unnecessarily mill the Rogue. Also, note that using Gallywix's Coin will trigger Burgly Bully as well.
  • Give healing priority to the Rogue, since healing the Druid negates the effect of the Rogue's Drakonid Crusher. Thus, it is always best to keep the Druid's health below 15 health, until Drakonid Crusher is played. After Drakonid Crusher is played, you can start healing the Druid back above 15 health.
  • Heal only heroes, unless healing a large minion like Daring Reporter would guarantee it survives.
  • When given the chance, it is best to destroy your own Party Crasher minion instead of the teammate's Party Crasher, because in this way, your teammate will be attacked by one less Party Crasher for that turn, guaranteeing health is saved for your teammate's hero, since Party Crashers only attack at the end of the controlling player's turn.
  • It is a good idea to use Shadowstep and Sap to return Coldlight Oracles, Grove Tenders, Refreshment Vendors, Antique Healbots, or Jade Spirits to their respective owner's hand, or to remove Party Crashers, depending on the situation.
  • It is a good idea to play Daring Reporter as soon as you have Party Crashers under control, so that it can start buffing itself sooner rather than later.
  • As the Druid, you should not use Jade Idol to shuffle Jade Idols into your deck, since it dilutes your deck and prevents you from drawing critical cards. Instead, use it to spawn a Jade Golem to buff your Jade Golems faster.
  • The three Nerubian Ambush! cards from Beneath the Grounds will buff Daring Reporter slightly faster.
  • For Rogue, consider keeping:
    • Trade Prince Gallywix
    • Coldlight Oracle
    • Mistress of Mixtures
    • Nat, the Darkfisher
    • King Mukla, because a 5/5 body helps to contest 3/5 Party Crashers very nicely, great to coin out on turn 2 as player 2 to stop the early double bleeding of hero health by preventing more than 1 Party Crasher from being on the teammate's board at any given time
    • Tomb Pillager, because a 5/4 body helps to contest 3/5 Party Crashers very nicely
    • Daring Reporter
    • Spiked Hogrider, only if there is another King Mukla or Tomb Pillager in the mulligan, to help take down two 3/5 Party Crashers in a single turn when Spiked Hogrider is played, to stop the double bleeding of hero health
Stage 1
  • Always make sure you do not have 7 minions on the board, unless you are counting on the other player to use their Hero Power to spawn the Piñata Golem boss for you. Otherwise, when you use your Hero Power and the boss tries to spawn on your side of the board, there will be no space for him and Noise Complaint will destroy all your minions.
  • Keep large high-health minions on your side of the board.
  • The piñata boss in Stage 2 can do two damage to all minions with his ability Something in the Punch. Having minions with at least 8 health is good for attacking the piñata since they will survive 5 damage from attacking the piñata and 2 damage from Something in the Punch. Give bananas to minions so that they have at least 8 health.
  • During Stage 1, if you can eliminate one of your Party Crashers and then play minions until you have 7, Party Crashers will not be able to spawn on your side of the board anymore. However, your teammate will want to trade off his/her minions into Party Crashers to make room for larger minions, so the teammate may get angry.
  • It is advised to keep at least one minion with 5 health or less on your board before Stage 2 occurs. This way, if the opponent spawns the Piñata Golem, you will be able to kill off that minion into the 5-attack boss, leaving you with 6 minions on the board and extra space so that the Piñata Golem doesn't destroy all your minions.
  • Do not attack with Daring Reporter during Stage 1, unless you need to kill off Party Crashers to survive. Keep her alive so that her attack and health can gradually keep increasing for the final fight with the piñata boss.
  • Druid minions to keep on the field for the Piñata Golem boss battle include:
  • Rogue minions to keep on the field for the Piñata Golem boss battle include:
Stage 2
  • Do not have 7 minions on your side of the board, otherwise when the boss tries to move to your side of the board, there will be no space for him and Noise Complaint will destroy all your minions.
  • Just attack the Piñata Golem and leave the Party Crashers alone. Killing the 3/5 or 5/7 Party Crashers just spawns another 5/7 Party Crasher in its place at the end of your turn. As a result, It is better to not attack the 3/5 Party Crasher that remains after the Piñata Golem spawns, since it blocks future 5/7 Party Crashers from spawning in its place.
  • In Stage 2, maintaining a board of 6 minions (including Party Crashers) will prevent new Party Crashers from spawning on your side of the board.
    • Thus, it is a good idea to keep 6 minions with 3 or more health at the end of each turn to guarantee that no Party Crasher will spawn on your side of the field.
  • If you are the Rogue and you have Trade Prince Gallywix on the field, try to keep him alive during the final fight, since Trade Prince Gallywix is useful in getting Party Supplies and other useful spells from the Druid.
  • As the Rogue, you can save the combo pieces Shadow Strike and Gormok the Impaler together to kill a 5/7 Party Crasher that spawns on your side of the board, if you so choose.
  • Something in the Punch is useful for activating Gurubashi Berserker's effect.
  • If you get Beneath the Grounds late in the game and you already have a full board, you can save it for when the Piñata boss is about to spawn. Your board will eventually open more space for the Nerubians to spawn on after your minions start dying to the piñata. But note that accidentally drawing and spawning a Nerubian on your turn with a card like Divine Sweets with no way to kill off one of your minions to leave 6 minions remaining will cause the piñata boss to destroy all your minions with Noise Complaint at the end of your turn.
  • If you are able to kill off The Beast and your teammate has one minion missing from a full board, you should do so since when the turn ends and the boss piñata switches sides, a 5/7 Party Crasher won't spawn on your teammate's side of the board due to The Beast's newly summoned Finkle Einhorn.


A Mammoth of a New Year brawl
  • The Piñata Golem was the first Tavern Brawl Boss to include Taunt in its card text, unlike Gearmaster Mechazod or Nefarian.
  • This Brawl takes place on the Stranglethorn battlefield, decorated with party banners and stringed lights. In the third reprise of this cooperative brawl, the battlefield was not decorated.
  • Before its official release, this Brawl appeared on some streamers' gameplay when they were at the Bahamas to attend the HCT Winter Championship.
  • Damage inflicted by Party Crashers counts toward the "Beat Down" quest, which requires dealing 100 damage to the enemy hero.
  • Some of the Tavern Brawl cards played in this Brawl count towards the quests which require playing Shaman class cards.
  • For the second reprise of this cooperative brawl (named "A New Year Bash"), a death animation played on the teammate's hero when both players won the game, whereas in the first reprise (named "Mammoth of the New Year"), there was no death animation for the teammate's hero portrait.
    • For the third reprise of this cooperative brawl on December 25, 2019 (the second reprise of the name "A New Year Bash"), there was no longer a death animation for the teammate's hero portrait when both players won.


Co-op mammoth 3.png
Co-op mammoth 1.png
Co-op mammoth 4.png
Co-op mammoth 5.png
Co-op mammoth 6.png


  1. Ben Brode on Twitter. (2016-01-13).