Mass Vampiric Transformations

Enchant Non-Vampire Creature
When Mass Vampiric Transformations enters
the battlefield, enchanted creature perpetually
becomes a Vampire in addition to its other types,
and perpetually gains lifelink and flying.
When Mass Vampiric Transformations leaves the battlefield, return it to its owner's hand.
Exile Mass Vampiric Transformations from your
hand: Return all vampires from your graveyard to the battlefield. They gain haste until end of turn.