Liliana of the Dark Realm

+1: Search your library for a swamp card, reveal it, and put it in your hand. Then shuffle your Library
-3: Target creature gets +X/+X or -X/-X, until end of turn, where X is the number of swamps you control.
-6: You get an emblem with "Swamps you control have '{t}: add {b}{b}{b}{b} to your mana pool"