Lurrus of the Dream-Den, Angelic Renewal, Ashnod's Altar, and Pitiless Plunderer

Prerequisites

• Lurrus of the Dream-Den on the battlefield
• Angelic Renewal on the battlefield
• Ashnod's Altar on the battlefield
• Pitiless Plunderer on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Lurrus, adding
2. When Lurrus dies, Angelic Renewal and Pitiless Plunderer trigger
3. Resolve the Angelic Renewal trigger, causing you to sacrifice it and return Lurrus from your graveyard to the battlefield
4. Resolve the Pitiless Plunderer trigger, creating a Treasure token
5. Activate the Treasure by tapping and sacrificing it, adding
6. Cast Angelic Renewal from your graveyard by paying
7. Repeat

Results

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