Experiment Kraj + Gilder Bairn + Biomancer's Familiar + Earthen Arms

Experiment Kraj

Gilder Bairn

Biomancer's Familiar

Earthen Arms

How it works

1. Activate the Forest or Island by tapping it, adding or .
2. Cast Earthen Arms for its awaken cost by paying 6, putting two +1/+1 counters on Gilder Bairn, and causing the Forest or Island to become a 0/0 Elemental creature that is still a land, and putting four +1/+1 counters on it.
3. Activate Experiment Kraj using the Forest or Island's ability by tapping it, adding G/U.
4. Activate Experiment Kraj using Gilder Bairn's ability by paying G/U and untapping it, doubling the counters on target permanent.
5. Repeat from step 3.