How can you create a combo with Rin and Seri, Inseparable, Earthcraft, Whitemane Lion?
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[START OF COMBO]This combo can be formed with Rin and Seri, Inseparable, Earthcraft, Whitemane Lion

Color identity: RGW
Mana cost: {1}{W}
Steps:
  1. Cast Whitemane Lion by paying {1}{W}.
  2. Rin and Seri triggers, creating a 1/1 Dog creature token.
  3. Whitemane Lion enters the battlefield, triggering its ability.
  4. Holding priority, activate Earthcraft by tapping the Dog token, untapping a basic Plains you control.
  5. Activate the Plains by tapping it, adding {W}.
  6. Repeat from step 4 one additional time, tapping Whitemane Lion instead.
  7. Resolve the Whitemane Lion trigger from step 3, returning itself from the battlefield to your hand.
  8. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite storm count
  - Infinite tap triggers
  - Infinite mana basic lands you control can produce
  - Infinite untap of basic lands you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Rin and Seri, Inseparable must be on the battlefield
  - Earthcraft must be on the battlefield
  - Whitemane Lion must be in your hand
  - You control a basic Plains.
[END OF COMBO PREREQUISITES]
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