Mimeoplasm, Revered One, Gilder Bairn, and Karametra's Acolyte

Prerequisites

• Mimeoplasm, Revered One on the battlefield
• Gilder Bairn in exile
• Karametra's Acolyte in exile
• available

Steps

1. Activate Mimeoplasm by paying , causing it to become a copy of Karametra's Acolyte
2. Activate Mimeoplasm by tapping it, adding at least seven
3. Activate Mimeoplasm by paying , causing it to become a copy of Gilder Bairn
4. Activate Mimeoplasm using Gilder Bairn's ability by paying and untapping it
5. Repeat

Results

• Infinite green mana
• Infinite proliferate