Polyraptor, and Blasting Station

Prerequisites

• Polyraptor on the battlefield
• Blasting Station on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing another creature, dealing 1 damage to Polyraptor
2. Polyraptor triggers, creating a token copy of itself
3. When the Polyraptor token enters the battlefield, Blasting Station triggers, untapping itself
4. Repeat, sacrificing the damaged Polyraptor instead

Results

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