Ashnod's Altar + Stalwart Successor + Twilight Shepherd

WBG identity

Commander legal

The 3 combo pieces

• Ashnod's Altar
• Stalwart Successor
• Twilight Shepherd

How to execute it

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

What the combo produces

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