Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Ashnod's Altar + Towering Titan
Produces: Infinite ETB, Infinite LTB, Infinite colorless mana, Infinite death triggers, Infinite sacrifice triggers
- Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
- Ashnod's Altar
- Towering Titan
- Color identity
- WBG
Steps
- Activate Ashnod's Altar by sacrificing Towering Titan.
- When Towering Titan 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.
- Repeat.