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

Prerequisites

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

Results

• Infinite +1/+1 counters on K'rrik
• Infinite damage
• Infinite lifegain
• Infinite lifegain triggers
• Infinite storm count