K'rrik, Son of Yawgmoth, Pontiff of Blight, Mourning, and Mana Matrix

Prerequisites

• K'rrik, Son of Yawgmoth on the battlefield
• Pontiff of Blight on the battlefield
• Mourning in hand
• Mana Matrix on the battlefield
• plus either or available

Steps

1. Cast Mourning by paying 2 life if able, or otherwise
2. Each creature you control's extort ability triggers
3. Resolve the first extort trigger, causing you to pay 2 life if able, or otherwise, causing each opponent to lose 1 life and you to gain that much life
4. Repeat step 3 for each remaining extort trigger
5. Resolve Mourning, attaching it to a creature you control
6. Activate Mourning by paying 2 life, returning it from the battlefield to your hand
7. Repeat until an opponent loses the game due to having 0 or less life

Results

• Near-infinite lifegain
• Near-infinite lifeloss
• Near-infinite lifegain triggers
• Near-infinite storm count