Experiment Kraj, Gilder Bairn, Biomancer's Familiar, and Clutch of Currents

Prerequisites

• Experiment Kraj on the battlefield
• Gilder Bairn on the battlefield
• Biomancer's Familiar on the battlefield
• Clutch of Currents in hand
• Experiment Kraj does not have summoning sickness
• Gilder Bairn has at least one +1/+1 counter on it
• You control at least one Forest or Island
• available

Steps

1. Activate the Forest or Island by tapping it, adding or
2. Cast Clutch of Currents for its awaken cost by paying , returning a creature to its owner hand, and causing the Forest or Island to become a 0/0 Elemental creature that is still a land, and putting three +1/+1 counters on it
3. Activate Experiment Kraj using the Forest or Island's ability by tapping it, adding
4. Activate Experiment Kraj using Gilder Bairn's ability by paying and untapping it, doubling the counters on target permanent
5. Repeat from step 3

Results

• Infinite proliferate