Samus Aran, Planet Killer

+1: Destroy target land or artifact you control. Samus Aran, Planet Killer deals 3 damage to any target.
-2: Search your library for a basic land card, reveal it, and put it into your hand. Then shuffle your library.
-7: You get an emblem with "At the beginning of each opponent's upkeep, if they control an untapped land, they take 3 damage."