Necromantic Incantation

When Necromantic Incantation enters the battlefield, exile a creature card from target player's graveyard with converted mana cost X.
Put a token onto the battlefield that is a copy of the exiled creature except it is a black Zombie in addition to it's other colors and types for as long
as you control Necromantic Incantation.
"Dead doesn't always mean "dead" around here."