Lurrus of the Dream-Den, Flickering Hound, Ashnod's Altar, and Crookshank Kobolds

Prerequisites

• Lurrus of the Dream-Den on the battlefield
• Flickering Hound on the battlefield
• Ashnod's Altar on the battlefield
• Crookshank Kobolds in hand or in the graveyard

Steps

1. Cast Crookshank Kobolds by paying
2. Flickering Hound triggers, blinking Lurrus
3. Resolve the Crookshank Kobolds spell
4. Then, activate Ashnod's Altar by sacrificing Crookshank Kobolds, adding Repeat

Results

• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count