Cursed Healer

Cursed Healer doesn't untap during your untap step.
{u}{r},{t}: Regenerate target creature, and put X +1/+1 counters on it. Then, put a curse counter
on it.
{u}{r}, {ut}: Put a number of -1/-1 counters on each creature with a curse counter on it equal to half their power, rounded down.
"You're no healer. You're a madman in robes."