Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Blasting Station, and Chaotic Goo

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Blasting Station on the battlefield
• Chaotic Goo on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Chaotic Goo
2. When Chaotic Goo dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect
3. When Chaotic Goo enters, Blasting Station triggers, untapping Blasting Station
4. Resolve the Blasting Station ability
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite damage
• Infinite death triggers
• Infinite sacrifice triggers