How can you create a combo with Aminatou, the Fateshifter, Heart of Kiran, Emeria Shepherd?
user
[START OF COMBO]This combo can be formed with Aminatou, the Fateshifter, Heart of Kiran, Emeria Shepherd

Color identity: WUB
Mana cost: 
Steps:
  1. Activate the Plains by tapping it, adding {W}.
  2. Activate Aminatou's second loyalty ability by removing a loyalty counter from it, targeting the Plains.
  3. Holding priority, activate Heart of Kiran's crew ability by removing a loyalty counter from Aminatou, causing Heart of Kiran to become an artifact creature until end of turn.
  4. Repeat step 3 until Aminatou dies as a state-based aciton due to having zero loyalty.
  5. Resolve the Aminatou ability from step 2, blinking the Plains.
  6. The Plains enters the battlefield, triggering Emeria Shepherd, returning Aminatou from your graveyard to the battlefield.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite landfall triggers
  - Infinite white mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control a Plains.
[END OF COMBO PREREQUISITES]
assistant