Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Blasting Station, and Cold-Blooded Crew

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Blasting Station on the battlefield
• Cold-Blooded Crew on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Cold-Blooded Crew
2. When Cold-Blooded Crew dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. When Cold-Blooded Crew enters, it and Blasting Station trigger
4. Resolve the Blasting Station trigger, untapping it
5. Resolve the Cold-Blooded Crew trigger, putting a +1/+1 counter on it
6. Resolve the Blasting Station ability from step 1 Repeat

Results

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