Chivalrous Chevalier — ruling 1

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.

Chivalrous Chevalier — ruling 2

You choose whether or not to compliment as the ability resolves.

Chivalrous Chevalier — ruling 3

In a multiplayer game, you can compliment any or all of your opponents.

Chivalrous Chevalier : règles, fonctionnement et interactions (MTG)

Chivalrous Chevalier is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Flying When this creature enters, return a creature you control to its owner's hand unless you compliment an opponent.

How it works : Chivalrous Chevalier

Original English text — Wizards of the Coast / Scryfall

#1January 19, 2018· Wizards of the Coast
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.
No other card is named in this ruling.
#2January 19, 2018· Wizards of the Coast
You choose whether or not to compliment as the ability resolves.
No other card is named in this ruling.
#3January 19, 2018· Wizards of the Coast
In a multiplayer game, you can compliment any or all of your opponents.
No other card is named in this ruling.