Tusk

When you activate a non mana ability, put a spin
counter on Tusk
{w}{r}: Deal 2 damage to any target. If this card
has at least 5 spin counters, deal 4 damage which
ignores counters. If this card has at least 10
counters, you may take 5 damage and cannot be
targeted by spells, abilities or creatures until your
next upkeep. If this card has at least 20 counters,
you can only target an enemy player and deal 2
damage. The target's creatures all die. If the target
has no creature's in play,