Rin and Seri, Inseparable + Earthcraft + Whitemane Lion

Prerequisites

• You control a basic Plains.

Steps

1. 1Cast Whitemane Lion by paying .
2. 2Rin and Seri triggers, creating a 1/1 Dog creature token.
3. 3Whitemane Lion enters the battlefield, triggering its ability.
4. 4Holding priority, activate Earthcraft by tapping the Dog token, untapping a basic Plains you control.
5. 5Activate the Plains by tapping it, adding .
6. 6Repeat from step 4 one additional time, tapping Whitemane Lion instead.
7. 7Resolve the Whitemane Lion trigger from step 3, returning itself from the battlefield to your hand.
8. 8Repeat.

Effects

• Infinite ETB
• Infinite LTB
• Infinite storm count
• Infinite tapped creature tokens