Snape, Potions Master

+1: Create a colorless Potion artifact with "Sacrifice this artifact: target player gains 3 life."
-2: Create a colorless Potion artifact with "Sacrifice this artifact: target creature turns into a copy of target creature on the battlefield."
-5: Create a colorless Potion artifact with "Sacrifice this artifact: target player tutors any card from their library to their hand."