Yarus, Roar of the Old Gods, Master of the Veil, and Blasting Station

Prerequisites

• Yarus, Roar of the Old Gods on the battlefield
• Master of the Veil on the battlefield
• Blasting Station on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Master of the Veil
2. When Master of the Veil dies, Yarus' second ability triggers, returning Master of the Veil from your graveyard to the battlefield face down, then turning it face up
3. Master of the Veil and Blasting Station trigger
4. Resolve the Master of the Veil trigger, turning it face-down Resolve the Blasting Station trigger, untapping it
5. Resolve the Blasting Station ability from step 1, dealing 1 damage to any target
6. Repeat

Results

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