Screams from Within, Blasting Station, and Garrison Excavator

Prerequisites

• Screams from Within on the battlefield
• Blasting Station on the battlefield
• Garrison Excavator on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing the creature that has Screams from Within attached
2. When the creature dies, Screams from Within triggers, returning it from your graveyard to the battlefield attached to another creature you control
3. Garrison Excavator triggers, creating a creature token
4. When the creature token enters, Blasting Station triggers, untapping Blasting Station
5. Resolve the Blasting Station ability from step 1
6. Repeat

Results

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