The judgemental face gets an eyebrow raise and a look that dares him to disagree.

And the little wand wave gets a snort. "Yeah, you can't be Sirius with a lame-ass magic trick like that. My baby brother could do better tricks when he was thirteen- Hell, I've done things with wands that could be more magicaal than that."

That last bit? ... not talking about wands anymore.