Colfenor, the Last Yew, Gutter Grime, and Blasting Station

Prerequisites

• Colfenor, the Last Yew on the battlefield
• Gutter Grime on the battlefield
• Blasting Station on the battlefield

Steps

1. Cast the creature card in your hand by paying
2. Either that creature dies as a state-based action due to having zero toughness, or activate Blasting Station by sacrificing that creature
3. Gutter Grime and Blasting Station trigger
4. Resolve the Gutter Grime trigger, putting a slime counter on it and creating a X/X Ooze creature token
5. Resolve the Blasting Station trigger, untapping it
6. Activate Blasting Station by sacrificing the Ooze
7. When the Ooze dies, Colfenor and Blasting Station trigger
8. Resolve the Colfenor trigger, returning the creature card from your graveyard to your hand
9. Resolve the Blasting Station trigger, untapping it
10. Resolve the Blasting Station activated abilities, dealing 1 damage each time
11. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite damage
• Infinite storm count
• Infinite creature tokens that are infinitely large