Mind-Scalper Slime

Deathtouch
{u/b}{u/b}{u/b}, {t}: Choose Absorb or Devour.
Absorb- Tap Target creature it doesn't untap
during its controller's next untap step, then
draw cards equal to the number of -1/-1 counters
on it.
Devour- Put -1/-1 counters on to target tapped
creature equal to the number of cards you have
drawn this turn, then that creature's controller
discards a number of cards equal to that
creature's toughness.