Lurrus of the Dream-Den, Flickering Hound, Bartolomé del Presidio, and Ornithopter

Prerequisites

• Lurrus of the Dream-Den on the battlefield
• Flickering Hound on the battlefield
• Bartolomé del Presidio 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 Bartolomé del Presidio by sacrificing Ornithopter, putting a +1/+1 counter on Bartolomé del Presidio Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count