Kodama of the East Tree, Golgari Rot Farm, and Down in the Valley

Prerequisites

• Kodama of the East Tree on the battlefield
• Golgari Rot Farm in hand
• Down in the Valley on the battlefield

Steps

1. Play Golgari Rot Farm
2. When Golgari Rot Farm enters the battlefield, it, Down in the Valley, and Kodama of the East Tree trigger
3. Resolve the Kodama of the East Tree trigger, choosing not to put anything from your hand onto the battlefield
4. Resolve the Golgari Rot Farm trigger, returning it from the battlefield to your hand
5. Resolve the Down in the Valley trigger, creating a token
6. When the token enters the battlefield, Kodama of the East Tree triggers, putting Golgari Rot Farm from your hand onto the battlefield
7. When Golgari Rot Farm enters the battlefield, it and Down in the Valley trigger
8. Repeat from step 4

Results

• Infinite ETB
• Infinite creature tokens
• Infinite landfall triggers