Clockwork Hydra + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Grinding Station

WB identity

Commander legal

The 3 combo pieces

• Clockwork Hydra
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Grinding Station

How to execute it

1. Activate Grinding Station by tapping it and sacrificing Clockwork Hydra.
2. When Clockwork Hydra dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
3. When Clockwork Hydra enters, Grinding Station triggers, untapping Grinding Station.
4. Resolve the Grinding Station ability from step 1
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill