Joeys new cards all revolve around the Dark Time Wizard Spell Card
Once you get hooked, its far more fun than traditional investing
(There is psychological value to countering an opposing spell with a Force Spike since they are so easy to play around, yet it's not worth playing around them in Commander because they aren't heavily played, which makes getting your powerful spell hit by Jwari Disruption especially devastating.) As for the rest of the bunch, Silundi Vision is listed as an often play just because you need to be a reasonably spell-heavy deck for it to work
There are also several nostalgic pulls in this set, including a uniquely illustrated Persian and Horsea
When Yuma challenged Shark, he refused to Duel and Yuma was shocked learning that Shark gave up Dueling.The next day, Yuma then proceeds to chase Shark and annoy him by requesting a Duel until he accepts
Averted in any of the duels that have to do with the interdimensional war