Thea, Taker of Lands

+2: Barbarians, Warriors, and Berserkers get +3/+3 and gain Trample till end of turn.
-3: Target Creature Get's two +1/+1 counters and fights other target creature. If that creature win's the fight it's controller draws a card.
-12: Destroy all lands a target player controls. You get an emblem with"Creatures you control +X/+X where X is the number of lands destroyed this way"