You may have Mirorhall Mimic enter the battlefield as a copy of any creature on the battlefield, except it's a Spirit in addition to its other types.
Disturb 3UU(You may cast this card from your graveyard transformed for its disturb
cost.)
//
Enchant creature
At the beginning of your upkeep, create a token, except it's a Spirit in addition to its other types.
If Ghastly Mimicry would be put into a graveyard from anywhere, exile it instead.