Deathbringer Liege (C21)

Deathbringer LiegeCasting Cost: {W/B}{W/B}{W/B}Card Type: Creature - HorrorPower/Toughness: 3/4Card Text:
Other white creatures you control get +1/+1.
Other black creatures you control get +1/+1.
Whenever you cast a white spell, you may tap target creature.
Whenever you cast a black spell, you may destroy target creature if it's tapped.