Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Carrion Feeder, and Cultivator of Blades

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Carrion Feeder on the battlefield
• Cultivator of Blades on the battlefield

Steps

1. Activate Carrion Feeder by sacrificing Cultivator of Blades
2. When Cultivator of Blades dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. When Cultivator of Blades enters, its fabricate ability triggers, putting a +1/+1 counter on it
4. Resolve the Carrion Feeder ability
5. Repeat

Results

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