How can you create a combo with Spawning Pit, Doubling Season, Ashnod's Altar?
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[START OF COMBO]This combo can be formed with Spawning Pit, Doubling Season, Ashnod's Altar

Color identity: G
Mana cost: {1}
Steps:
  1. Pay {1}, removing 2 charge counters from Spawning Pit to create two 2/2 Spawn creature tokens.
  2. Sacrifice one token to Ashnod's Altar to add {C}{C}.
  3. Sacrifice the other token to Spawning Pit to put 2 charge counters on Spawning Pit.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite creature tokens
  - 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
  - At least 2 charge counters on Spawning Pit.
[END OF COMBO PREREQUISITES]
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