Tybalt has no great excuse for this. He's seen the aforementioned star battles film, even. But it was a long time ago, and caution has literally never been his strong suit. He grins at Lydia's efforts, and it becomes sunnier with the ball bonking into his head. No, he doesn't have a wand or any usable line of defense. Why should he need that.

"Oh, the doll." he turns that grin to Winter, a genius, and without further thought on consequences, sticks his entire arm in the direction he last saw it go.