Moritte of the Frost as a copy of the creature with persist.).
Steps
Activate
Phyrexian Altar by sacrificing
Moritte of the Frost, adding one mana of any color.
When
Moritte of the Frost dies, it triggers its persist ability, returning itself to the battlefield as a copy of the creature with persist with two +1/+1 counters and one -1/-1 counter on it.
Remove one +1/+1 counter and one -1/-1 counter from