Arrak, servant of power

hexproof, corrupted (every time you cast a instant or sorcert spell with a mana cost of 3 or greater, put a corruption counter on this creature)
at the begining of your upkeep, if akkar, servant of power has a corruption counters
on him, you may have him deal 2 damage to
you. if you do, search your library for any
card, then put it into your hand