Ashnod's Altar + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Towering Titan

WBG identity

Commander legal

The 3 combo pieces

• Ashnod's Altar
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Towering Titan

How to execute it

1. Activate Ashnod's Altar by sacrificing Towering Titan.
2. 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.
3. Repeat.

What the combo produces

• Infinite colorless mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers