Rotlung Reanimator + Umbral Collar Zealot + Xenograft

UB identity

Commander legal

The 3 combo pieces

• Rotlung Reanimator
• Umbral Collar Zealot
• Xenograft

How to execute it

1. Activate Umbral Collar Zealot by sacrificing any other creature.
2. When the creature dies as a Cleric due to Xenograft, Rotlung Reanimator triggers, creating a 2/2 Zombie creature token.
3. Resolve the Umbral Collar Zealot ability.
4. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite surveil