If one or more opponents had the highest result, Chaos Dragon can't attack those players or planeswalkers they control this combat
FromTheShire: Well this one at least has huge do it for the meme potential
Since spells and abilities of your opponents cant force you to sacrifice anything, Sigarda can sit neatly above the battlefield, protected by her own hexproof
Once used, you can return any character of yours that had been discarded back to your hand
It is more like moving boxes from one shelf to another
(9/1/2023) Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Some keyword abilities are triggered abilities and will have "when," "whenever," or "at the beginning of" in their reminder text