The red Isabelle represents Looksley, an anthropomorphic long-eared character who wears a red suit.
The green Villager minion represents a typical human silhouette featured in Looksley's Line Up.
The stage and music track reference the levels of Looksley's Line Up, which features a cardboard and paper-like visual aesthetic.
The Invisibility rule and the Smoke Ball items reference the gameplay of Looksley's Line Up where the player must find hidden objects or letters by tilting the Nintendo DS.
Other trivia:
This spirit's Support type references Looksley's role in Looksley's Line Up as the player's guide.