Blasting Station + Chainer, Dementia Master + Gray Merchant of Asphodel + K'rrik, Son of Yawgmoth

B identity

Commander legal

The 4 combo pieces

• Blasting Station
• Chainer, Dementia Master
• Gray Merchant of Asphodel
• K'rrik, Son of Yawgmoth

How to execute it

1. Activate Blasting Station by tapping it and sacrificing Gray Merchant.
2. Activate Chainer by paying 9 life due to K'rrik, returning Gray Merchant from your graveyard to the battlefield as a Nightmare in addition to its other creature types.
3. When Gray Merchant enters, it and Blasting Station trigger.
4. Resolve the Gray Merchant trigger, causing each opponent to lose life equal to your devotion to black and causing you to gain that much life.
5. Resolve the Blasting Station trigger, untapping it.
6. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite sacrifice triggers
• Return all creature cards from all graveyards to the battlefield under your control