Kodama of the East Tree, Ghost Town, Eusocial Engineering, and Bloodstained Mire

Prerequisites

• Kodama of the East Tree on the battlefield
• Ghost Town in hand
• Eusocial Engineering on the battlefield
• Bloodstained Mire on the battlefield

Steps

1. Fetch a land using Bloodstained Mire
2. When the fetched land enters, Eusocial Engineering and Kodama trigger
3. Resolve the Kodama trigger, putting Ghost Town from your hand onto the battlefield
4. When Ghost Town enters, Kodama and Eusocial Engineering trigger
5. Holding priority, activate Ghost Town's first abiltiy by tapping it, adding
6. Activate Ghost Town's second ability by paying , returning it from the battlefield to your hand
7. Resolve the Eusocial Engineering from step 4, creating a token
8. When the token enters, Kodama triggers, putting Ghost Town from your hand onto the battlefield
9. When Ghost Town enters, Eusocial Engineering triggers
10. Repeat from step 5

Results

• Infinite ETB
• Infinite colorless mana
• Infinite creature tokens
• Infinite landfall triggers