Kodama of the East Tree, Izzet Boilerworks, and Greensleeves, Maro-Sorcerer

Prerequisites

• Kodama of the East Tree on the battlefield
• Izzet Boilerworks in hand
• Greensleeves, Maro-Sorcerer on the battlefield
• You are able to play a land this turn

Steps

1. Play Izzet Boilerworks
2. When Izzet Boilerworks enters the battlefield, it, Greensleeves, 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 Izzet Boilerworks trigger, returning it from the battlefield to your hand
5. Resolve the Greensleeves trigger, creating a token
6. When the token enters the battlefield, Kodama triggers, putting Izzet Boilerworks from your hand onto the battlefield
7. When Izzet Boilerworks enters the battlefield, it and Greensleeves trigger
8. Repeat from step 4

Results

• Infinite ETB
• Infinite creature tokens
• Infinite landfall triggers