Rakdos Agitator

Instigate (when this spell resolves target a
creature. Until your next turn that creature
is goaded.)
Whenever an opponent attacks another player
you may draw a card. Then deal 1 damage to
any target, if that target is a creature goad that creature.
"He said you'ze a pussy, and he called your mom
a hoe." - Thee Agitator.