Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Blasting Station, and Voracious Brood

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Blasting Station on the battlefield
• Voracious Brood on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Voracious Brood
2. When Voracious Brood 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 Voracious Brood enters, Blasting Station trigger, untapping Blasting Station
4. Resolve the Blasting Station ability from step 1
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite damage
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control