Sellene, Catastrophic Prodigy

Whenever you cast a noncreature spell, choose one — • Sellene deals 1 damage to any target. • Create a Stink token. (An artifact with “{T}, Sacrifice this artifact: Put a Stench counter on target creature or player.”) Whenever you sacrifice an artifact, Sellene deals 1 damage to each opponent and 1 damage to another random target. {U}{R}, {T}, Sacrifice an artifact: Copy target instant or sorcery spell you control. You may choose new targets for the copy.