Jpastor, Judge of Mystery

Eminence - At the beginning of combat on your turn, if Jpastor, Judge of Mystery is in the command zone or on the battlefield, Challenge target creature. (At the beginning of your next upkeep, if target creature dealt combat damage to a player during its controller's last combat, its controller draws a card. Otherwise, return that creature to its owner's hand.)
{2}{u}{u}: Challenge a creature chosen at random.