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.