Varan, Nature's Corrupter

+3: Choose one: Target land becomes a swamp in addition to it's other types; or destroy target green creature
0: You get an emblem with "On your upkeep put a loyalty counter on all planeswalkers. All permanents you control are black."
-14: You get an emblem with "On your upkeep, each opponent loses X life. X is the number of black permanents you control.