Kodama of the East Tree, Trench Behemoth, and Retreat to Emeria

Prerequisites

• Kodama of the East Tree on the battlefield
• Trench Behemoth on the battlefield
• Retreat to Emeria on the battlefield
• You have a land card in hand

Steps

1. Play a land card from your hand
2. Kodama, Trench Behemoth and Retreat to Emeria trigger
3. If the land played was a basic land, you may activate it by tapping it, adding at least
4. Resolve the Kodama trigger, choosing to put nothing onto the battlefield from your hand
5. Resolve the Trench Behemoth trigger, targeting any creature an opponent controls
6. Resolve the Retreat to Emeria trigger, creating a 1/1 Kor Ally creature token
7. The Kor Ally enters the battlefield, triggering Kodama
8. Holding priority, activate Trench Behemoth by returning a land from the battlefield to your hand, untapping Trench Behemoth
9. Resolve the Kodama trigger, putting a land onto the battlefield from your hand
10. Trench Behemoth and Retreat to Emeria trigger
11. Repeat from step 5

Results

• Infinite creature tokens
• Infinite ETB
• Infinite landfall triggers
• Infinite mana basic lands you control can produce