Moritte of the Frost | Lesser Masticore | Ashnod's Altar

Cards

All permanents on the battlefield (
Moritte of the Frost as a copy of the planeswalker.).

Activate
Ashnod's Altar by sacrificing
Moritte of the Frost, adding ({C} magic symbol) ({C} magic symbol) .
Moritte of the Frost dies, triggering its persist ability, returning it to the battlefield as a copy of
Lesser Masticore with two +1/+1 counters and one -1/-1 counter on it.
Remove one +1/+1 counter and one -1/-1 counter from
Moritte of the Frost as a state-based action.
Repeat.
Once you have infinite mana, you may activate
Lesser Masticore's ability any number of times to deal infinite damage to any creature(s).