How can you create a combo with Yedora, Grave Gardener, Tribal Forcemage, Ashnod's Altar?
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[START OF COMBO]This combo can be formed with Yedora, Grave Gardener, Tribal Forcemage, Ashnod's Altar

Color identity: G
Mana cost: 
Steps:
  1. Activate Ashnod's Altar by sacrificing Tribal Forcemage, adding {C}{C}.
  2. Tribal Forcemage dies, triggering Yedora, returning Tribal Forcemage to the battlefield face down as a Forest land with no other types or abilities.
  3. Activate Tribal Forcemage by tapping it, adding {G}.
  4. Activate Tribal Forcemage's megamorph ability by paying {1}{G}, turning it face up with a +1/+1 counter on it.
  5. Tribal Forcemage triggers, giving all creatures you control of a chosen creature type +2/+2 and trample until end of turn.
  6. Repeat.[END OF COMBO STEPS]

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

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