Ashnod's Altar + Hardened Academic + Rendclaw Trow

BRGW identity

Commander legal

The 3 combo pieces

• Ashnod's Altar
• Hardened Academic
• Rendclaw Trow

How to execute it

1. Activate Ashnod's Altar by sacrificing Rendclaw Trow.
2. When Rendclaw Trow dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Hardened Academic triggers, putting a +1/+1 counter on Rendclaw Trow.
4. Repeat.

What the combo produces

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