[Wait actually he can do this a fun way. Which is mostly just a "being a show off and obnoxious dick" way, because he casts Prestidigitation and makes little sparks appear in his hand, shaping them to spell out wizard.

He's kind of tired of having to explain this, but he'll give Bucky a bit more, maybe just because he doesn't want to get stabbed.]

I learn spells, and I cast 'em. There's no like... it's not inherent or whatever. I'm self-taught, this is all Taako, and I'm one of the good guys. So you can stop looking at me like I'm gonna cut your heart out and eat it or whatever the fuck it is you think wizards do!