Greensleeves, Maro-Sorcerer, Kodama of the East Tree, Ashaya, Soul of the Wild, Cloudstone Curio, and Ornithopter

Prerequisites

• Greensleeves, Maro-Sorcerer on the battlefield
• Kodama of the East Tree on the battlefield
• Ashaya, Soul of the Wild on the battlefield
• Cloudstone Curio on the battlefield
• Ornithopter in hand

Steps

1. Cast Ornithopter by paying
2. Ornithopter enters the battlefield, triggering Kodama and Greensleeves
3. Resolve the Kodama trigger, choosing to put nothing onto the battlefield
4. Resolve the Greensleeves trigger, creating a 3/3 Badger creature token
5. The Badger enters the battlefield, triggering Cloudstone Curio and Kodama
6. Resolve the Cloudstone Curio trigger, choosing to return Ornithopter from the battlefield to your hand
7. Resolve the Kodama trigger, putting Ornithopter from your hand onto the battlefield
8. Repeat from step 2

Results

• Infinite creature tokens
• Infinite ETB
• Infinite landfall triggers
• Infinite LTB