Kodama of the East Tree, Guildless Commons, and Retreat to Emeria

Prerequisites

• Kodama of the East Tree on the battlefield
• Guildless Commons in hand
• Retreat to Emeria on the battlefield
• You are able to play a land this turn

Steps

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

Results

• Infinite creature tokens
• Infinite ETB
• Infinite landfall triggers