How can you create a combo with Primeval Spawn, Chorus of the Conclave, Mortuary, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Primeval Spawn, Chorus of the Conclave, Mortuary, Ashnod's Altar

Color identity: WUBRG
Mana cost: 
Steps:
  1. Activate Ashnod's Altar by sacrificing Primeval Spawn, adding {C}{C}.
  2. When Primeval Spawn dies, its second ability and Mortuary trigger.
  3. Resolve the Mortuary trigger, putting Primeval Spawn on top of your library from your graveyard.
  4. Resolve the Primeval Spawn trigger, exiling the top ten cards of your library, and casting Primeval Spawn by paying a total of {1} due to Chorus of the Conclave.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Exile your library
  - Infinite +1/+1 counters on Primeval Spawn
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant