How can you create a combo with Yedora, Grave Gardener, Storm Cauldron, Walking Ballista?
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[START OF COMBO]This combo can be formed with Yedora, Grave Gardener, Storm Cauldron, Walking Ballista

Color identity: G
Mana cost: 
Steps:
  1. Cast Walking Ballista by paying {0}.
  2. Walking Ballista enters the battlefield and dies as a state-based action due to having zero or less toughness.
  3. Yedora triggers, returning Walking Ballista from your graveyard to the battlefield face down as a Forest land.
  4. Activate Walking Ballista by tapping it, adding {G}.
  5. Storm Cauldron triggers, returning Walking Ballista from the battlefield to your hand.
  6. Repeat.
  7. Once you have infinite green mana, you may use it to cast Walking Ballista for an arbitrarily large amount of mana, and then use its ability to deal infinite damage to any target(s).[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Walking Ballista
  - Infinite damage
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite green mana
  - Infinite landfall triggers
  - Infinite leaves the battlefield
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Yedora, Grave Gardener must be on the battlefield
  - Storm Cauldron must be on the battlefield
  - Walking Ballista must be in your hand
[END OF COMBO PREREQUISITES]
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