Kaya's Ghostform, Sun Titan, and Bloodthrone Vampire

Prerequisites

• Kaya's Ghostform on the battlefield
• Sun Titan on the battlefield
• Bloodthrone Vampire on the battlefield

Steps

1. Activate Bloodthrone Vampire by sacrificing Sun Titan
2. When Sun Titan dies, Kaya's Ghostform triggers, returning Sun Titan from your graveyard to the battlefield
3. When Sun Titan enters, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Sun Titan Resolve the Bloodthrone Vampire ability
4. Repeat
5. Activate Bloodthrone Vampire by sacrificing Sun Titan
6. When Sun Titan dies, Kaya's Ghostform triggers, returning Sun Titan from your graveyard to the battlefield
7. When Sun Titan enters, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Sun Titan
8. Resolve the Bloodthrone Vampire ability
9. Repeat

Results

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