Instant

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)
Target creature gets -3/-3 until end of turn. If this spell was bargained, that creature gets -5/-5 until end of turn instead.

"Don't you mean 'poisonous'? There's no such thing as a venomous—AGGHHH!"

Artist(s): Konstantin Porubov