Buddha of a Thousand Wishes

When this card enters the battlefield, if it was
cast, return it to your hand and you gain eight
life.
{2}, {t}: Exile this card from your hand. As long
as it is exiled, it has "{8}, {t}: Create a copy of this
card. Move it to the battlefield. Activate only as
a sorcery.
{1}: Add 3 mana of any combination of colors.
{5}: Exchange Buddha of a Thousand Wishes'
toughness with your life total.