How can you create a combo with Defiler of Flesh, Aetherflux Reservoir, Gravecrawler, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Defiler of Flesh, Aetherflux Reservoir, Gravecrawler, Ashnod's Altar

Color identity: B
Mana cost: 
Steps:
  1. Activate Ashnod's Altar by sacrificing Gravecrawler, adding {C}{C}.
  2. Cast Gravecrawler from your graveyard by paying 2 life.
  3. Aetherflux Reservoir and Defiler of Flesh trigger.
  4. Resolve the Aetherflux Reservoir trigger, causing you to gain 1 life for each spell you've cast this turn.
  5. Resolve the Defiler of Flesh trigger, giving target creature +1/+1 and menace until end of turn.
  6. Repeat.
  7. Once you have infinite life, you may activate Aetherflux Reservoir's ability to deal infinite damage to any target(s).[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite damage
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite lifegain
  - Infinite lifegain triggers
  - Infinite leaves the battlefield
  - Infinitely large creatures until end of turn
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Your life total is at least 4.
  - You control an additional Zombie.
[END OF COMBO PREREQUISITES]
assistant