Deep Sea Leviathan

Hexproof, Deep Sea Leviathan can't be countered.
When Deep Sea Leviathan enter the battlefield put 2 Ice counters among creatures your opponent controls. As long as a creature has an Ice counter on it it has: -1/0 and the effect 'whenever this creature attacks, it doesn't untap during your next untap step.'
-"The last thing he saw was a shadowy form rising from the depths of the ocean"