Liliana of the Dark Realms [San Diego Comic-Con 2013]

+1: Search your library for a Swamp card, reveal it, and put it into 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}.'"