Zach, Host of Heavens

Flying, First Strike, Haste, Lifelink
If only White mana was spent to cast Zach, It gains
Double Strike and "Whenever Zach, Host of Heavens enters the battlefield or attacks, Create two, 4/4
white angel creature tokens. Angels you control have the same abilities as Zach, Host of Heavens."
If {w}{u}{b}{r}{g} was spent to cast Zach, It gains "Whenever Zach, Host of Heavens enters the battlefield or attacks, search your hand, library, graveyard, and exile for an Angel, Demon, Dragon, Merfolk, or Elf an