While Smuggler's Copter, Dance of Many, and Planar Bridge are more niche in their uses, the Fortnite art is well done and clearly made to have a humorous edge which can lighten up decks looking for some personalization
Mook Maker: Number C43: High Manipulator of Chaos has 0 ATK and no inherent way to increase that stat, making it fairly unlikely that it will be attacking the opponent or their monsters on its own
Overall, the Splinter Twin deck has a dedicated plan with a variety of choices in the sideboard so you can adapt to how you think your opponent will try to beat you
You can cast spells from graveyards, exile things from graveyards, or even bring permanents back to the battlefield from the Graveyard
Combine that with Gapejaw Bog, which auto-damages Basic Pokemon as they hit the field, and Meowscaradas having a field day
Fallen Shinobi and Biting-Palm Ninja can use their ninjutsu abilities easily with cheap flying faeries