Kzyrzk, Death-Bringer

-1: Your swamps each produce an extra black mana when tapped for mana this turn.
+3: Put three black 2/2 Derelazod Horror creature tokens with Colonize into play. Lose 3 Life.
-15: All Horrors in play get +3/+3 and have haste, trample, lifelink and protection from all colors until end of turn.