Arcbound Overseer + Atog + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

RWB identity

Commander legal

The 3 combo pieces

• Arcbound Overseer
• Atog
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

How to execute it

1. Activate Atog by sacrificing Arcbound Overseer.
2. When Arcbound Overseer dies, its modular ability and persist ability trigger.
3. Resolve the modular trigger, putting Arcbound Overseer's +1/+1 counters on another artifact creature.
4. Resolve the persist trigger, returning Arcbound Overseer from your graveyard to the battlefield. It will not have a -1/-1 counter on it due to its modular ability.
5. Resolve the Atog ability.
6. Repeat.

What the combo produces

• Infinite +1/+1 counters on certain creatures
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinitely large creature until end of turn