Bogardan Phoenix, Solemnity, and Ashnod's Altar

Prerequisites

• Bogardan Phoenix on the battlefield
• Solemnity on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Sacrifice Bogardan Phoenix to Ashnod's Altar for
2. Bogardan Phoenix returns from your graveyard to the battlefield
3. Repeat

Results

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