Chat Noir

Flying, Deathtouch, Hexproof
{1}{t}-Search your deck for Black Cat Ring and attach it to this creature. Shuffle your deck.
{5}{t}-Use this ability only if this creature has no detransform counters on it. If this creature has Black Cat Ring attached to it, put 5 detransform counters on this creature and destroy two land or artifact cards opponents control. Remove a detransform counter at the beginning of your upkeep, and when there are no more counters on this creature, exile it.