Better Than One
Sorcery
A person outside the game becomes your teammate. (Choose any number of cards in your hand, on top of your library, or on the battlefield under your control. Those cards become your teammate's hand, library, and permanents, respectively.)
Printings & Conditions (2)
The List (Unfinity Foil Edition) (ULST)(The List)#44Rare
Unstable (UST)(Unstable)#128Rare