Al-Caligore, the Great Ire

Flying, trample, hexproof
When Al-Caligore, the Great Ire enters the
battlefield or deals combat damage to a player,
put a -1/-1 counter on each other creature, then
put a +1/+1 counter on Al-Caligore.
{x}, Remove X +1/+1 counters from Al-Caligore:
gain control of target creature or artifact with
converted mana cost X.