Vir, Magistrate of Rivern

+1: You may search your library for a Plains, Forest, or Island and put it onto the battlefield tapped. If you do, then shuffle your library.
-X: Shuffle target non-land permanent with converted mana cost of X into its owner's library.
-7: Exile Vir, Magistrate of Rivern. Create a legendary 5/5 white Soldier Avatar token with indestructible, hexproof, reach, and vigilance named Vir.