Gilder Bairn + Tazri, Stalwart Survivor + Training Grounds

WUBRG identity

Commander legal

The 3 combo pieces

• Gilder Bairn
• Tazri, Stalwart Survivor
• Training Grounds

What must be in place

Gilder Bairn does not have summoning sickness.

How to execute it

1. Activate Gilder Bairn by tapping it, adding {G/U} that can only be spent to activate abilities.
2. Activate Gilder Bairn by paying {G/U} and untapping it, doubling each counter on target permanent.
3. Repeat.

What the combo produces

• Infinite proliferate