Danitha, Benalia's Hope, Carrion Feeder, and Necrogen Communion

Prerequisites

• Danitha, Benalia's Hope on the battlefield
• Carrion Feeder on the battlefield
• Necrogen Communion on the battlefield

Steps

1. Activate Carrion Feeder by sacrificing Danitha
2. When Danitha dies, Necrogen Communion triggers, returning Danitha from your graveyard to the battlefield tapped
3. When Danitha enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Danitha
4. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite +1/+1 counters on Carrion Feeder