Blasting Station, Fiend Hunter, and Metamorphosis Fanatic

Prerequisites

• Blasting Station on the battlefield
• Fiend Hunter in hand
• Metamorphosis Fanatic on the battlefield
• available

Steps

1. Cast Fiend Hunter by paying its mana cost
2. When Fiend Hunter enters, its first ability and Blasting Station trigger
3. Resolve the Fiend Hunter trigger, exiling Metamorphosis Fanatic
4. Resolve the Blasting Station trigger, untapping it
5. Activate Blasting Station by tapping it and sacrificing Fiend Hunter
6. When Fiend Hunter dies, its second ability triggers, returning Metamorphosis Fanatic from exile to the battlefield
7. When Metamorphosis Fanatic enters, it and Blasting Station trigger
8. Resolve the Blasting Station trigger, untapping it
9. Resolve the Metamorphosis Fanatic trigger, returning Fiend Hunter from your graveyard to the battlefield
10. Repeat steps 2 through 4 one additional time
11. Resolve the Blasting Station ability from step 5
12. Repeat from step 5

Results

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