Maple's Ascension To God

Flying, Devour X (Devour X sacrifices all
creatures on the field, gaining a permanent boost
of +X/+X. X is the combined power and
toughness of all cards sacrificed. If a card had an artifact, equip it to this card, ignoring specifications)
Maple exiles any card she attacks.
It's only playable if Maple, Sally, Iz, Kasumi,
Kuromu, Kanade, Mai, Yui, Pain, Frederica,
Dread, Drag, Mii, Misery, Shin, and Marx where
on battlefield before played.