Rikan'vik, Earth-Breaker

+1: Search your library for up to three basic land cards and put one of them into your discard pile and two of them onto the battlefield tapped.
-1: Search your opponent's library for a noncreature card, reveal it, and put it into that player's discard pile. Shuffle that library afterward.
-12: Search an opponent's library for up to nine creatures, reveal them, and put them onto the battlefield tapped and under your control.