Majin Buu

Menace, wither
{1}{b}{r}: Majin Buu deals 2 damage to any target.

If a creature dealt damage by Majin Buu would die, instead exile it with a candy counter on it.

Majin Buu has all activated and triggered abilities of creature cards exiled with candy counters on them and get +2/+2 for each of those cards.