Gilder Bairn, Song of Freyalise, and Zirda, the Dawnwaker

Prerequisites

• Gilder Bairn on the battlefield
• Song of Freyalise on the battlefield
• Zirda, the Dawnwaker 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