Ashnod's Altar, Lesser Masticore, and Moritte of the Frost

Prerequisites

• Ashnod's Altar on the battlefield
• Lesser Masticore on the battlefield
• Moritte of the Frost on the battlefield
• Moritte of the Frost does not have a -1/-1 counter on it

Steps

1. Activate Ashnod's Altar by sacrificing Moritte, adding
2. Moritte dies, triggering its persist ability, returning it to the battlefield as a copy of Lesser Masticore with one +1/+1 counter on it
3. Repeat
4. Once you have infinite mana, you may use it to activate Lesser Masticore's ability to deal infinite damage to any creature(s)

Results

• Infinite colorless mana
• Infinite damage to creatures
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers