Saffi Eriksdotter, Hero of the Dunes, and Bloodthrone Vampire

Prerequisites

• Saffi Eriksdotter on the battlefield
• Hero of the Dunes on the battlefield
• Bloodthrone Vampire on the battlefield

Steps

1. Activate Saffi by sacrificing it, targeting Hero of the Dunes Activate Bloodthrone Vampire by sacrificing Hero of the Dunes When Hero of the Dunes dies, Saffi triggers, returning Hero of the Dunes from your graveyard to the battlefield
2. When Hero of the Dunes enters, it triggers, returning Saffi from your graveyard to the battlefield
3. Resolve the Bloodthrone Vampire ability
4. Repeat

Results

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