How can you create a combo with Umori, the Collector, K'rrik, Son of Yawgmoth, Aetherflux Reservoir, Mourning?
user
[START OF COMBO]This combo can be formed with Umori, the Collector, K'rrik, Son of Yawgmoth, Aetherflux Reservoir, Mourning

Color identity: BG
Mana cost: 
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).[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on K'rrik
  - Infinite damage
  - Infinite lifegain
  - Infinite lifegain triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Umori, the Collector must be on the battlefield
  - K'rrik, Son of Yawgmoth must be on the battlefield
  - Aetherflux Reservoir must be on the battlefield
  - Mourning must be in your hand
  - "Enchantment" chosen with Umori.
  - 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.
[END OF COMBO PREREQUISITES]
assistant