Alexander, the Mixture Master

Whenever you create a non-Treasure artifact
token, draw a card.
{3}, {t}: Create a colorless Potion artifact token
with your choice of "{1}, {t}, Sacrifice this artifact:
Regenerate target creature. You gain 2 life."; or
"{1}, {t}, Sacrifice this artifact: Target creature
gets +1/+3 until end of turn."; or "{1}, {t},
Sacrifice this artifact: Untap target creature. It
gains haste until end of turn."