Galdox, Titan of Hallowed Skys

When Galdox enters the battlefield, sacrifice it unless
it escaped.
Whenever Galdox enters the battlefield or attacks,
exile target nonlegendary creature, then return it to
the battlefield under its owner's control. If it entered
under your control, put a +1/+1 counter on it. Otherwise, tap it.

Escape—{w}{w}{u}{u}, Exile five other cards from
your graveyard. (You may cast this card from your graveyard for its escape cost.)