Mikaeus, the Unhallowed + Yawgmoth, Thran Physician + Gray Merchant of Asphodel

Prerequisites

• Your life total is at least 2.
• You control at least one additional nontoken non-Human creature with toughness two or greater.

Steps

1. 1Activate Yawgmoth by paying 1 life and sacrificing Gray Merchant, targeting any other nontoken non-Human creature you control.
2. 2Gray Merchant dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. 3Gray Merchant enters the battlefield, causing each opponent to lose life equal to your devotion to black, and causing you to gain life equal to the life lost this way.
4. 4Resolve the Yawgmoth ability from step 1, putting a -1/-1 counter on the additional creature and causing you to draw a card.
5. 5Activate Yawgmoth by paying 1 life and sacrificing the additional creature, targeting Gray Merchant.
6. 6The creature dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
7. 7Resolve the Yawgmoth ability, putting a -1/-1 counter on Gray Merchant and causing you to draw a card.
8. 8Repeat.

Effects

• Infinite card draw
• Infinite draw triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite lifeloss
• Near-infinite LTB
• Near-infinite sacrifice triggers