Soldier of Twilight

As Soldier of Twilight enters the battlefield,
choose Dawnguard or Volkihar.
•Dawnguard-Enchanted creature has double
strike, enlist, and is a Ranger in addition to its
other types. When a black creature dealt damage
by enchanted creature this turn dies, draw a card.
•Volkihar-Enchanted creature has flying, lifelink,
and is a Vampire in addition to its other types.
You may sacrifice a creature to regenerate
enchanted creature.