- Black Box: Nobody ever finds out how the devices work. Martus doesn't even realize they alter luck until late in the episode, he just thinks they're a novel random number generator he can use as a gambling game. He makes more by just having the replicator scan it and spit out a bigger copy.
- Continuity Nod: Quark references Sisko blackmailing him in the very first episode when he demands that Sisko get rid of Martus.
- Famous Last Words: "I won!" from Martus' cellmate.
- Martial Arts Headband: Before Miles' big rematch with Bashir, Keiko places a silk scarf scented with her perfume around his head, kisses him and whispers, "Kick his butt."
- O.O.C. Is Serious Business: O'Brien realizes something is off when he's playing better than he ever has in his life. Even throwing the ball in random directions causes it to always come back to his hand.
- Techno Babble: Gambling machines affect the laws of probability, including swirling neutrinos. Yes, that's the actual explanation.
- You Keep Using That Word: Martus and Rom have an argument when Martus says that Rom's share of the profits is calculated after expenses are subtracted, not just straight income. This is presented as him trying to cheat Rom, but it's literally what the word "profit" means. (He is cheating Rom, just not that way).
Recap / Star Trek Deep Space Nine S 02 E 11 Rivals
An El-Aurian conman comes aboard the station with a new device that seems to improves one's luck through technobabble.