Tzeench, the Great Deceiver

Flying, Indestructible
Tzeench, the Great Deceiver is not a creature unless your devotion to blue is 6 or greater.
When Tzeench, the Great Deceiver enters the battlefield, pay {x}, then you may draw X cards and return X permanents to their owners hand.
All instant and sorcery spells in your graveyard have flashback. The flashback cost is {u}