Colgera, of the blizzard

flying,
haste.
creatures you control gain +1/+1 and flying for
each counter among permanents your opponents control.
when Colgera enters the battlefield put a blizzard counter on target creature (a creature with a
blizzard can't attack or block or use its abilities
unless they are mana abilities.
{2}{w/u}{w/u}{w/u}: put a blizzard counter on target
creature