Professor Snape

Intimidate
Master of Potions -- At the beginning of your
upkeep, you may pay life less than our equal to
your devotion to black. If you do, create that
many Potion tokens. (They are artifacts with
"{1}, {t}, Sacrifice this artifact: Draw a card, then
mill a card.")
"I can teach you how to bottle fame, brew glory,
and even put a stopper in death." -- Snape