Zelryth, The Witch God

Magecraft — Whenever you cast or copy an
black instant or sorcery spell, each opponent
loses 1 life and you gain 1 life.
As long as the amount of Vampires on the battlefield is less then 3, Zelryth isn't a creature.
If this Creature enters your graveyard, you may
create a 5/5 Avatar Enchantment Wizard Token
onto the battlefield that is a copy of this creature. without this text.