mtg cards that transform other cards Ask a Magic Judge — How do clone creatures work with cards? This is of Mythic Rare rarity Double-faced card - MTG Wiki

When attached to a creature, it gives it the demon creature type, menace, and a base power and toughness of 5/5

That said, there are still a number of problems with the card

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I think she fits better on a deck made to exploit her to the fullest

This leads one to other outside resources, like YouTube videos and guides (weve got some great ones)