Tournament of Power

{w}{u}{b}{r}{g},{t}: Each player reveals cards from the
top of their library, until they reveal ten different creature cards, then each player puts creatures
revealed this way onto the battlefield under their
control with a tournament counter and the rest on
the bottom of their library. Each creature that enters
the battlefield this way has "Whenever a player has
no creatures with a tournament counter,
That player loses the game.""