Ich-Tekik, Salvage Splicer, Arcbound Reclaimer, Dark Sphere, and Gwenom, Remorseless

Prerequisites

• Ich-Tekik, Salvage Splicer on the battlefield
• Arcbound Reclaimer on the battlefield
• Dark Sphere on the battlefield
• Gwenom, Remorseless on the battlefield

Steps

1. Activate Dark Sphere by tapping and sacrificing it
2. Ich-Tekik's second ability triggers, putting a +1/+1 counter on it and each Golem you control
3. Resolve the Dark Sphere ability
4. Activate Arcbound Reclaimer by removing a +1/+1 counter from it, putting Dark Sphere from your graveyard onto the top of your library
5. Cast Dark Sphere from the top of your library by paying 0 life
6. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite +1/+1 counters on Golems you control