Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Umbral Collar Zealot + White Widow, Free Agent

WB identity

Commander legal

The 3 combo pieces

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Umbral Collar Zealot
• White Widow, Free Agent

How to execute it

1. Activate Umbral Collar Zealot by sacrificing White Widow.
2. When White Widow dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When White Widow enters, it triggers, putting a +1/+1 counter on it and up to one other creature.
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