Spark Double

Creature — Illusion

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

"I couldn't possibly make all of this mischief alone. Oh, hello there, handsome!"