Donovan, Wielder of Separator

{p/w}{p/b}{p/r}: Remove a -1/-1 counter from Donovan.
Put X -1/-1 counter on Donovan and choose one—
•If X is three or greater, X target permanents gain indestructible and
hexproof until end of turn.
•Destroy target creature with converted mana cost X.
•Counter target spell with converted mana cost X.
{bull}If X is three or greater, counter target ability.