BLLANCO, At present I don't think that there are many casinos in which you can light up anything while sitting at a BJ table.
There are minor exceptions though.
Back in the day every casino used to have complementary cigarettes at every table ... and if you preferred a different brand, you'd simply let the dealer know and a compt pack would be placed in front of you within
a couple of minutes.
But if you lit up a joint, you'd be thrown out on your butt. (Happened to me once, so consider this the voice of experience!)
I doubt that any casino will allow MJ smoking on the casino floor even though MJ is now legalized. One hit and I'd be laughing my ass off while stretched out on the floor every time I won a hand and I'm a very serious blackjack player!
What the hell would happened to the tourists who are there just to have a great time and insured it with a joint or two??