Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Carrion Feeder, and Darksteel Angel

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Carrion Feeder on the battlefield
• Darksteel Angel on the battlefield

Steps

1. Activate Carrion Feeder by sacrificing Darksteel Angel When Darksteel Angel dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its static effect
2. Resolve the Carrion Feeder ability, putting a +1/+1 counter on Carrion Feeder Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers