Solemnity, and Blasting Station

Prerequisites

• Solemnity on the battlefield
• Blasting Station on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing the persist or undying creature
2. When the creature dies, its persist or undying ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter or a +1/+1 counter on it due to Solemnity
3. When the creature enters the battlefield, Blasting Station triggers untapping Blasting Station
4. Resolve the Blasting Station ability from step 1
5. Repeat

Results

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