Eldetheira, Seed of Eternity

Changeling, First Strike, Reach
Backflip — Boast — {ut}: Scry 1.
Storied Past — Whenever another creature enters,
you gain 1 life, then it's controller gains 1 life.
Eternity {line} When Eldetheira, Seed of Eternity dies,
if she was a creature, return her to the battlefield.
She isn't a creature and gains "Creatures you control
get Ward {1} and can't be blocked."