MAGIC: THE GATHERING
Draw a card. Scry 2. (Look at the top two cards of your library. Put any number of them on the bottom of your library and the rest on top in any order.)
Serum Visions is the premier cantrip of the Modern format, it's the glue that holds many blue decks together. By adding this one mana card selection spell, Modern blue decks increase their consistency and are able to dig for their important cards.