Carter's Spark — {X}, {T}: Put a madness counter on each of up to X target creatures. Then create a colorless 2/2 Illusion Doctor creature token.

Creatures get -1/-0 as long as there is a madness counter on it.

Creatures get -1/-0 and can't block illusions as long as there are two madness counters on it.

Creatures get -1/-0 and loses all non-keyword abilities as long as there are three madness counters on it.