Ashnod's Altar + Kithkin Spellduster + Mikaeus, the Unhallowed

WB identity

Commander legal

The 3 combo pieces

• Ashnod's Altar
• Kithkin Spellduster
• Mikaeus, the Unhallowed

How to execute it

1. Activate Ashnod's Altar by sacrificing Kithkin Spellduster.
2. When Kithkin Spellduster dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Activate Ashnod's Altar by sacrificing Kithkin Spellduster.
4. When Kithkin Spellduster dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
5. Repeat.

What the combo produces

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