Soul Siphon

Deal 3 damage to target creature and-
you gain 3 life.
Cantrip{p/r}{p/r}: When casting an instant or sorcery,
pay this mana and reveal this card from
your hand. If you do, deal 1 damage to target
creature.
Overcharge{4}{p/r}{p/r}
"I will consume your souls light." ~Lazerus