When Chivalrous Chevalier enters the battlefield, return a creature you control to its owner's hand unless you compliment an opponent.
1/19/2018 You don’t have to compliment an opponent if you’d rather return a creature you control to its owner’s hand or if you just can’t bring yourself to do it. We’ll assume the former.
1/19/2018 You choose whether or not to compliment as the ability resolves.
1/19/2018 In a multiplayer game, you can compliment any or all of your opponents.