Eiara Valtis

+2: Search your library for a land card and put it on the battlefield tapped. Then, shuffle your library. If that land was a desert, draw a card.
+1: Sacrifice a desert. Then, Eiara Valtis deals 3 damage to each opponent.
-8: You get an emblem with "Creatures your opponents control get -X/-X. Where X is the number of deserts you control."