Dangerous Mindset

Deal 3 damage to target creature.
If it was white, deal 2 damage to target creature.
If it was blue, tap target creature until your next endstep.
If it was black, destroy target creature.
If it was red, exile target creature.
If it was green, gain 4 life.
If it has more than one color, this card stacks.
A neutral man must have a plan for every
non-neutral enemy.