Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Grinding Station + Scrapyard Recombiner

WB identity

Commander legal

The 3 combo pieces

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Grinding Station
• Scrapyard Recombiner

How to execute it

1. Activate Grinding Station by tapping it and sacrificing Scrapyard Recombiner.
2. When Scrapyard Recombiner dies, its modular ability and persist ability trigger.
3. Resolve the modular trigger, putting Scrapyard Recombiner's +1/+1 counters on another artifact creature.
4. Resolve the persist trigger, returning Scrapyard Recombiner from your graveyard to the battlefield. It will not have a -1/-1 counter on it due to its modular ability.
5. When Scrapyard Recombiner enters, Grinding Station triggers, untapping Grinding Station.
6. Resolve the Grinding Station ability from step 1.
7. Repeat.

What the combo produces

• Infinite +1/+1 counters on certain creatures
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill