Skeletós, King of Permafrost

{s}{s}{s}: Tap target creature.
Put Ice counters on it equal to its mana
value. As long as there are ice counters on a creature, it's activated abilities can't be activated, and it remains tapped. To remove
an ice counter, pay 1 life equal to each ice counter.
Skeletos gets +1/+1 for each creature with
an ice counter.