Experiment Kraj + Gilder Bairn + Zirda, the Dawnwaker

Experiment Kraj

Gilder Bairn

Zirda, the Dawnwaker

How it works

1. Use any of the listed land animators to turn a land that can produce or into a land creature and put at least one +1/+1 counter on it.
2. Activate Experiment Kraj using that land's ability by tapping it, adding G/U.
3. Activate Experiment Kraj using Gilder Bairn's ability by paying G/U and untapping it, doubling the counters on target permanent.
4. Repeat from step 2.