Faceless Butcher, Bloodthrone Vampire, and Karmic Guide

Prerequisites

• Faceless Butcher in hand
• Bloodthrone Vampire on the battlefield
• Karmic Guide on the battlefield
• available

Steps

1. Cast Faceless Butcher by paying its mana cost
2. When Faceless Butcher enters, its first ability triggers, exiling Karmic Guide
3. Activate Bloodthrone Vampire by sacrificing Faceless Butcher
4. When Faceless Butcher dies, its second ability triggers, returning Karmic Guide from exile to the battlefield
5. When Karmic Guide enters, it triggers, returning Faceless Butcher from your graveyard to the battlefield
6. When Faceless Butcher enters, its first ability triggers, exiling Karmic Guide
7. Resolve the Bloodthrone Vampire ability
8. Repeat from step 3

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinitely large creature until end of turn