Grave Servitude

You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.

When this enchantment enters, if it's on the battlefield, it becomes an Aura with "enchant creature put onto the battlefield with Necromancy." Put target creature card from a graveyard onto the battlefield under your control and attach this enchantment to it. When this enchantment leaves the battlefield, that creature's controller sacrifices it.

Enchant creature

At the beginning of the end step of enchanted creature's controller, that player sacrifices that creature.

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." Put enchanted creature card onto the battlefield tapped 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/+1 and doesn't untap during its controller's untap step.

At the beginning of the upkeep of enchanted creature's controller, that player may pay . If the player does, untap that creature.

Enchant creature

You control enchanted creature.

At the beginning of the end step, if you control no Demons, sacrifice this Aura.

Enchant creature

When this Aura enters, draw a card at the beginning of the next turn's upkeep.

Enchanted creature gets +1/+1 for each other creature you control.

Other creatures you control get -1/-1.

Enchant artifact or creature

As long as enchanted permanent is a creature, it gets -1/-1 and can't block.

Enchanted permanent has "At the beginning of your upkeep, you lose 1 life."