My runner-up is Pantlaza, Sun-Favored, the face commander of The Lost Cavern of Ixalan Commander s Veloci-Ramp-Tor deck
Scrying, for the uninitiated, is a process that allows you to look at the top cards of your library and then choose to change the order of them as you place them back on top of the deck or instead put them onto the bottom of your deck
(When you cast it, copy it for each spell cast before it this turn
14 Circu, Dimir Lobotomist A straightforward mill option, Circu, Dimir Lobotomist removes a card from the top of a player's library from the game each time its controller casts a blue spell, and each time its controller casts a black spell, causing two cards to be exiled this way if the spell cast is both colors
For step-by-step instructions on how to ship your sell order, please refer to this article