Sidisi, Regent of the Mire, Bladewing the Risen, Thornbite Staff, and Blasting Station

Prerequisites

• Sidisi, Regent of the Mire on the battlefield
• Bladewing the Risen in the graveyard
• Thornbite Staff on the battlefield
• Blasting Station on the battlefield

Steps

1. Activate Sidisi by tapping it and sacrificing a nontoken Dragon with mana value 6
2. When the creature dies, Sidisi triggers, untapping Sidisi
3. Resolve the Sidisi ability, returning Bladewing from your graveyard to the battlefield
4. When Bladewing enters the battlefield, it and Blasting Station trigger
5. Resolve the Blasting Station trigger, untapping it
6. Resolve the Bladewing trigger, returning the Dragon with mana value 6 from your graveyard to the battlefield
7. When the Dragon enters the battlefield, Blasting Station triggers, untapping it
8. Activate Blasting Station by tapping it and sacrificing Bladewing
9. When Bladewing dies, Sidisi triggers, untapping Sidisi
10. Resolve the Blasting Station ability
11. Repeat

Results

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