Lurrus of the Dream-Den, Flickering Hound, Spawning Pit, and Ornithopter

Prerequisites

• Lurrus of the Dream-Den on the battlefield
• Flickering Hound on the battlefield
• Spawning Pit on the battlefield
• Ornithopter in hand or in the graveyard

Steps

1. Cast Ornithopter by paying
2. Flickering Hound triggers, blinking Lurrus
3. Resolve the Ornithopter spell
4. Then, activate Spawning Pit by sacrificing Ornithopter, putting a charge counter on Spawning Pit Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite charge counters on a permanent
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count