Zilortha, Omnipotent Titan

Companion — Each creature card in your
deck has power 5 or greater. (If this card is
your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)
As the game begins, if Zilortha, Omnipotent Titan is your chosen companion, each opponent starts the game with zero life.
Trample