K'rrik, Son of Yawgmoth + Aetherflux Reservoir + Mourning + Cloud Key

Prerequisites

• "Enchantment" chosen with Cloud Key.
• Your life total is at least nine if your storm count is equal to zero, at least six if your storm count is equal to one, at least four if your storm count is equal to two, or at least three otherwise.

Steps

1. 1Cast Mourning by paying 2 life, targeting K'rrik.
2. 2Aetherflux Reservoir and K'rrik trigger.
3. 3Resolve the K'rrik trigger, putting a +1/+1 counter on it.
4. 4Resolve the Aetherflux Reservoir trigger, causing you to gain an amount of life equal to your storm count.
5. 5Resolve Mourning, attaching it to K'rrik.
6. 6Activate Mourning by paying 2 life, returning it to your hand from the battlefield.
7. 7Repeat.
8. 8Once you have infinite life, you may use Aetherflux Reservoir's ability to deal infinite damage to any target(s).

Effects

• Infinite +1/+1 counters on a creature
• Infinite damage
• Infinite lifegain
• Infinite lifegain triggers
• Infinite storm count