Shaxx, Crucible Handler

Shaxx, Crucible Handler isn't a creature unless it has ten
or more crucible counters on it.

Arc Subclass —Super spells that target Shaxx, Crucible Handler can only be Arc Super spells. You may pay {w}{u} instead of its mana cost if it targets Shaxx, Crucible Handler.

At the beginning of each combat, put a crucible counter on Shaxx, Crucible Handler. Then creatures current player controls fights creatures they don't control. Guardian creatures that leave the battlefield this way return