Danitha, Benalia's Hope, Phyrexian Altar, and Fool's Demise

Prerequisites

• Danitha, Benalia's Hope on the battlefield
• Phyrexian Altar on the battlefield
• Fool's Demise on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Danitha When Danitha dies, Fool's Demise triggers, returning Danitha from your graveyard to the battlefield tapped
2. When Danitha enters the battlefield, it triggers, returning Fool's Demise from your graveyard to the battlefield attached to Danitha
3. Repeat

Results

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