Tameshi, Reality Architect, Lion's Eye Diamond, and Kodama of the East Tree

Prerequisites

• Tameshi, Reality Architect on the battlefield
• Lion's Eye Diamond on the battlefield
• Kodama of the East Tree on the battlefield
• You control a land

Steps

1. Activate Lion's Eye Diamond by sacrificing it and discarding your hand, adding
2. Activate Tameshi by paying and returning any land to your hand, returning Lion's Eye Diamond from your graveyard to the battlefield
3. Kodama of the East Tree triggers, putting a land from your hand onto the battlefield
4. Repeat

Results

• Infinite colored mana
• Infinite landfall triggers