Deathbringer Liege

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.

Other white creatures you control get +1/+1.
Other black creatures you control get +1/+1.
Whenever you play a white spell, you may tap target creature.
Whenever you play a black spell, you may destroy target creature if it's tapped.