Maelstrom

Potion: Exile any number of cards from your graveyard with total number of devotion to all colors is five or more. (If this potion enters the battlefield without its potion cost being paid, sacrifice it as it enters the battlefield.)
{t}, Sacrifice Maelstrom: Search your library for a permanent card, put it onto the battlefield, then shuffle your library.
A maelstorm of aether in a botttle.