Gilder Bairn, Karametra's Favor, and Biomancer's Familiar

Prerequisites

• Gilder Bairn on the battlefield
• Karametra's Favor on the battlefield
• Biomancer's Familiar on the battlefield
• undefined

Steps

1. Activate Gilder Bairn by tapping it, adding
2. Activate Gilder Bairn by paying and untapping it, doubling each counter on target permanent
3. Repeat

Results

• Infinite proliferate