Mecha'thun Warlock

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The one time you don't want your opponent to run out of cards.

Mecha'thun Warlock is a combo deck with Mecha'thun as its win condition. The deck's primary combo goes as follows:

  1. Draw out your deck. Life Tap helps greatly in this regard.
  2. Discount your combo pieces, most commonly with Galvanizers or Emperor Thaurissan.
  3. Activate your combo:
    1. Play a 9-mana Mecha'thun followed by Plague of Flames. Since this version lacks Cataclysm, you must play all other cards in your hand beforehand.
    2. (Wild) Play Mecha'thun, then Bloodbloom, then Cataclysm. It will destroy all of your minions and discard your hand, triggering Mecha'thun's Deathrattle and killing the enemy hero.

Mecha'thun Warlock can be built in a variety of ways. A more control-oriented build may include slower cards such as Lord Godfrey, Twisting Nether, or even Bloodreaver Gul'dan. Slower versions of Mecha'thun Warlock are usually more effective against aggressive decks, but struggle to compete against other faster combo decks. Faster versions of Mecha'thun Warlock often use cards such as Runic Egg to draw out the deck at a faster rate, but are more susceptible to aggressive and midrange decks. Due to its flexibility compared to other Mecha'thun decks, Mecha'thun Warlock can often be hybridized with other Warlock archetypes. Decks such as Handlock and Renolock are fully compatible with Mecha'thun and can use Mecha'thun just as another finisher.

Since all of the combo pieces are even, the deck is sometimes played with Genn Greymane to draw faster with the discounted hero power. Some versions of Mecha'thun Warlock use Supreme Archaeology and Plot Twist, as reducing even one of the combo pieces to zero means that other cost discounts are completely unnecessary.

History[edit | edit source]

Mecha'thun Warlock was first introduced alongside it's win condition, Mecha'thun, in The Boomsday Project. At the time, Mecha'thun Warlock had to compete with Mecha'thun Druid, Mecha'thun Priest, and Mecha'thun Warrior. Out of the few decks with Mecha'thun, the combo of Mecha'thun Warlock proved to be effective requiring neither an empty hand nor board to be active. being a semi-competitive deck in both game formats. However, Mecha'thun Druid was more popular and more powerful due to the overall dominance of Druid in the meta and quality of the deck.

Rastakhan's Rumble secured Mecha'thun Druid as the most popular Mecha'thun Deck with the addition of Pounce. That was followed by Mecha'thun Priest, which excelled with the addition of Mass Hysteria. On the other hand, Mecha'thun Warlock received practically no new cards and ceased to be a competitive deck in Standard.

Following Rise of Shadows, Bloodbloom, Cataclysm, Naturalize, and Ticking Abomination rotated into Wild, making Mecha'thun Druid and Mecha'thun Priest Wild only decks. The removal of Blooodbloom and Cataclysm also crippled Mecha'thun Warlock in Standard, which now required playing a 9-mana Mecha'thun in conjunction with Grim Rally, and an empty board, hand, and deck. Mecha'thun Warlock's lost advantage and prevailance of Warrior in Standard meant that Mecha'thun Warrior was the more prominent of the two remaining Mecha'thun decks in Standard.

Saviors of Uldum finally brought Mecha'thun Warlock to a more prominent position in both formats. The release of Supreme Archaeology brought more rewards for drawing cards and Plague of Flames provided more efficient removal. The nerf to Dr.Boom, Mad Genius finally secured Mecha'thun Warlock as the most popular Mecha'thun deck since its creation in The Boomsday Project. In Wild, Mecha'thun Warlock still needed to compete with SN1P-SN4P Warlock, as it provided a both an easier combo and more flexibility. Due to the similarity between the two decks, they often merged as one, providing an extra win condition in the late-game.

Descent of Dragons and the nerf to Echo finally eliminated Mecha'thun Warlock's competitor in Wild, bringing the deck to high popularity. However, Mecha'thun Warlock was still far below the strength of a competitive deck in Standard.

Common Cards[edit | edit source]

Core Standard Cards[edit | edit source]

The following Standard cards are played in most or all versions of the deck.

Mortal Coil(43).png
Plague of Flames(90773).png
Galvanizer(89891).png
Bloodmage Thalnos(525).png
Hellfire(122).png
Zilliax(89803).png
Lord Godfrey(89359).png
Mecha'thun(89877).png

Optional Standard Cards[edit | edit source]

The following Standard cards are played more than occasionally, but not always:


Depth Charge(151365).png
The Soularium(89881).png
Grim Rally(90217).png
Doomsayer(467).png
Loot Hoarder(395).png
Novice Engineer(435).png
Dark Skies(151380).png
Siphon Soul(573).png
Valdris Felgorge(151344).png
Twisting Nether(398).png

Quest Variant[edit | edit source]

Supreme Archaeology(90697).png
Questing Explorer(90691).png
Plot Twist(90587).png
Aranasi Broodmother(90551).png

Core Wild Cards[edit | edit source]

Wild icon.png  This section contains information exclusive to Wild format.

The following Wild cards are played in most or all versions of the deck.

Mistress of Mixtures(49646).png
Kobold Librarian(76926).png
Bloodbloom(55594).png
Defile(62840).png
Cataclysm(76918).png
Emperor Thaurissan(14454).png

Optional Wild Cards[edit | edit source]

The following Wild cards are played more than occasionally, but not always:

Runic Egg(42065).png
Darkbomb(12299).png
Zephrys the Great(90825).png
Coldlight Oracle(88).png
Hooked Reaver(77010).png
Lesser Amethyst Spellstone(76924).png
Antique Healbot(12227).png
Genn Greymane(89336).png
Hemet, Jungle Hunter(55508).png
Reno Jackson(27228).png

Control Variant[edit | edit source]

Sense Demons(327).png
Voidcaller(7733).png
Despicable Dreadlord(62903).png
Khartut Defender(90794).png
Voidlord(76913).png
N'Zoth, the Corruptor(33134).png
Bloodreaver Gul'dan(62934).png