Animate Dead is a uncommon Enchantment — Aura card from Limited Edition Alpha (LEA), collector number 92. Current market price: $282.40, TCGplayer market prices via Scryfall.
Enchant creature card in a graveyard When this Aura enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with this Aura." Return enchanted creature card to the battlefield under your control and attach this Aura to it. When this Aura leaves the battlefield, that creature's controller sacrifices it. Enchanted creature gets -1/-0.