Gylwain, Casting Director, Guardian of the Forgotten, and Bloodthrone Vampire

Prerequisites

• Gylwain, Casting Director on the battlefield
• Guardian of the Forgotten on the battlefield
• Bloodthrone Vampire on the battlefield

Steps

1. Activate Bloodthrone Vampire by sacrificing another modified creature
2. When the creature dies, Guardian of the Forgotten triggers, manifesting the top card of your library
3. When the manifested card enters the battlefield, Gylwain triggers, creating a Role token attached to the manifested creature
4. Resolve the Bloodthrone Vampire ability
5. Repeat

Results

• Infinite self-mill
• Near-infinite creature ETB
• Near-infinite creature LTB
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers
• Near-infinitely large creature until end of turn