Iridescent Drake, Necrogen Communion, and Carrion Feeder

Prerequisites

• Iridescent Drake on the battlefield
• Necrogen Communion on the battlefield
• Carrion Feeder on the battlefield
• Necrogen Communion attached to Iridescent Drake

Steps

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

Results

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