Celes, Rune Knight + Umbral Collar Zealot

RWB identity

Commander legal

The 2 combo pieces

• Celes, Rune Knight
• Umbral Collar Zealot

How to execute it

1. Activate Umbral Collar Zealot by sacrificing the persist creature.
2. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When the persist creature enters the battlefield, Celes's second ability triggers, putting a +1/+1 counter on each creature you control.
4. Resolve the Umbral Collar Zealot ability.
5. Repeat.

What the combo produces

• Infinite +1/+1 counters on creatures you control
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite surveil