When Split Screen enters the battlefield, shuffle your library and deal it into four libraries. If anything refers to your library, choose one of your libraries for it.
Play with your libraries' top cards revealed.
When Split Screen leaves the battlefield, shuffle your libraries together.
![Split Screen (Unfinity Foil Edition) [The List]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/4348f2d4-9ff2-5d53-bbaf-fbb60befeb83.jpg?v=1770933391&width=1445)