Growling under his breath as she ducked, surprised though still sharp- agile, his gaze moved from his cousin to protecting his own life- and perhaps ridding the skies of an auror. She was quick, good- probably quidditch- smirk across his lips, at least there would be a challenge, he felt a little rusty…
Bending close, snug to the broom, he shot straight at her, wand hand tucking under him when the spell came. Veering off, he felt the hex catch the tail of his broom and twisting sideways managed to catch what could have been a nasty 360 into the ground, pulling himself up, straighten to raise his wand, slightly under her now. Throwing a unique arrow like hex at her, glowing green as he aimed for her chest, Montague then pulled the wood below him to the left, swerving to aim another from the opposite side.