Eldon Wue

+1: Get 3 2/2 crow token creatures with flying and put them on to the battlefield under your control.
-X: Scry X, then draw X cards. Target creature gets +1/+X and flying until end of turn.
-7: Gain an emblem that says, "At the beginning of your upkeep you may pay X mana, if you do, target player exiles the top X cards of their library."