Theres a Sleight of Mind in the maindeck, with another in the sideboard
Its a personal favorite thats basically never bad, and its sometimes absolutely game-warping
For instance: Creatures (30) 2 Verdurous Gearhulk 4 Winding Constrictor 2 Rishkar, Peema Renegade 4 Walking Ballista 4 Deadeye Tracker 4 Wildgrowth Walker 4 Merfolk Branchwalker 2 Ixalli's Diviner 4 Seekers' Squire Lands (24) Spells (8) Seekers Squire only adds to the glut, and it doesnt help that both of the Explore payoffs also cost two
Sage of the Maze is pretty niche in that its a Gates-matter kind of card, but on the other hand, its also a card thatll slot into many decks, because Gates-matters fits in so many decks too
Items, of course, cant quest and can be used immediately, while Songs can evade their raw ink cost with the exertion of a character