Witch

Potion of invisibility—{u}{u}{t}: Phase out target
creature.
Potion of poison—{b}{b}{t}: Target creature becomes poisonous until end of turn.
Potion of healing—{w}{w}{t}: Heal 4 health or target creature gets +0/+4 until end of turn.
Potion of harming{line}{r}{r}{t}: Deal 4 damage to any
target.
Potion of growth{line}{g}{g}{t}: Target creature gets
+2/+2 until end of turn.