Garden of Eden

{t}: Add one mana of any color.
{2}{g}{w}, {t}: Create a 1/1 black Snake creature token with lifelink and deathtouch. Activate this ability only if you control Adam, First of Mankind or Eve, Mother of All. Whenever
you cast a spell that targets Adam or Eve, exile Garden of Eden. Return it to the battlefield under your control at the beginning of the next end step.