Dark Sage Walker

Flying, Vigilance
{w}{t}: Prevent 3 Damage.
{1}{u}{t}: Draw two cards, then discard a card.
{2}{g}{t}: Untap target creature. It gains +3/+3
until end of turn.
{3}{r}{t}: Deal 3 damage to target creature,
and gain 3 life.
{4}{b}{t}: Return target creature from your
graveyard to the battlefield, it becomes
a vampire.