Blasting Station, and Darksteel Angel

Prerequisites

• Blasting Station on the battlefield
• Darksteel Angel on the battlefield

Steps

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

Results

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