Blasting Station, Faceless Butcher, and Karmic Guide

Prerequisites

• Blasting Station on the battlefield
• Faceless Butcher in hand
• Karmic Guide on the battlefield
• available

Steps

1. Cast Faceless Butcher by paying its mana cost
2. When Faceless Butcher enters, its first ability and Blasting Station trigger
3. Resolve the Faceless Butcher trigger, exiling Karmic Guide
4. Resolve the Blasting Station trigger, untapping it
5. Activate Blasting Station by tapping it and sacrificing Faceless Butcher
6. When Faceless Butcher dies, its second ability triggers, returning Karmic Guide from exile to the battlefield
7. When Karmic Guide enters, it and Blasting Station trigger
8. Resolve the Blasting Station trigger, untapping it
9. Resolve the Karmic Guide trigger, returning Faceless Butcher 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 ETB
• Infinite LTB
• Infinite damage
• Infinite death triggers
• Infinite sacrifice triggers