Clockwork Hydra + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Sarcatog

RWB identity

Commander legal

The 3 combo pieces

• Clockwork Hydra
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Sarcatog

How to execute it

1. Activate Sarcatog by 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. Resolve the Sarcatog ability.
4. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinitely large creature until end of turn