Enchant creature card in a graveyard

When Animate Dead enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets -1/-0.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)

: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)

Enchanted creature gets +0/+2 and has reach. (It can block creatures with flying.)