Arcbound Reclaimer, Extruder, and Gwenom, Remorseless

Prerequisites

• Arcbound Reclaimer on the battlefield
• Extruder on the battlefield
• Gwenom, Remorseless on the battlefield

Steps

1. Sacrifice the templated artifact
2. Resolve the Extruder ability, putting a +1/+1 counter on Arcbound Reclaimer
3. Remove a +1/+1 counter from Arcbound Reclaimer, putting the artifact on top of your library
4. Cast the templated artifact for 0 life through Gwenom
5. Repeat

Results

• Infinite +1/+1 counters on creatures you control
• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite storm count