Blasting Station, and Gorma, the Gullet

Prerequisites

• Blasting Station on the battlefield
• Gorma, the Gullet on the battlefield

Steps

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

Results

• Infinite +1/+1 counters on a creature
• 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