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

Color identity: GUR
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Rattleclaw Mystic, adding one mana of any color.
  2. When Rattleclaw Mystic dies, Yedora triggers, returning Rattleclaw Mystic from your graveyard to the battlefield face down as a Forest land.
  3. Activate Rattleclaw Mystic by tapping it, adding {G}.
  4. Activate Rattleclaw Mystic's morph ability by paying {2}, turning it face up.
  5. Rattleclaw Mystic triggers, adding {G}{U}{R}.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite death triggers
  - 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]
assistant