Daenerys Targaryen

Vigilance, Hexproof

When Daenerys Targaryen enters the battlefield,
search your library for The Golden Dragon Egg,
The Green Dragon Egg and The Black Dragon
Egg then put them in the battlefield

{2}{w}{b}{r}{t} : Exile Daenerys Targaryen then
return her to the battlefield transformed
as Daenerys Targaryen, Mother of Dragons.