How can you create a combo with Spark Double, Lesser Masticore, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Spark Double, Lesser Masticore, Ashnod's Altar

Color identity: U
Mana cost: 
Steps:
  1. Activate Ashnod's Altar by sacrificing Spark Double, adding {C}{C}.
  2. When Spark Double dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. As Spark Double enters the battlefield, choose to have it enter the battlefield as a copy of Lesser Masticore with a +1/+1 counter on it.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite damage to creatures
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

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