Yin and Yang, Godly Spirits

Hexproof, Lifelink, Deathtouch
At the beginning of your upkeep exile the top
card each players library then you may cast target instant or sorcery from among the exiled cards
without paying its mana cost
At the beginning of your end step if you cast a
card from exile this turn return target creature
card from target players graveyard to the battlefield under your control