Savathun, The Witch Queen

Flying, Disguise {b}{u}{w}
When a creature you control is turned face up by paying its Disguise cost, draw a card and create a 2/2 Black, Blue, Savathuns illusion creature token with flying.
{b}{w}{t} sacrifice a creature you control; Search your library for either a land named Savathuns Throne World, a enchantment named The Great Deception or a artifact creature named Ghost. Add it to your hand and shuffle your library.