How can you create a combo with Yedora, Grave Gardener, Birchlore Rangers, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Yedora, Grave Gardener, Birchlore Rangers, Phyrexian Altar

Color identity: G
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Birchlore Rangers, adding one mana of any color.
  2. Birchlore Rangers dies, triggering Yedora, returning Birchlore Rangers to the battlefield face down as a Forest land with no other types or abilities.
  3. Activate Birchlore Rangers by tapping it, adding {G}.
  4. Activate Birchlore Rangers's morph ability by paying {G}, turning it face up.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite landfall triggers
  - 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]
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