I have held these loose opinions for as long as these mechanics have been things (Just realising I predate cycling in Magic, not just in age, but actually playing, has made me feel real old)
(2023-11-10) If a spell you're casting with escape has an additional cost of discarding cards or sacrificing permanents, you may exile cards discarded or sacrificed this way to pay that part of its escape cost
Bruno and Tiana lead the Amber Amethyst deck with a nice big mix, from the Madrigal family, to Madam Mim to Huey and Louie
And yeah, your opponent could find a way to get the creature back, but even if they do you will usually have disrupted their plans significantly
Unlike Darkfire Dragon, one of Mavelus' materials, Tyhone, could be theoretically useful as it is a level four Normal Winged-Beast, making it a decent target for Rescue Rabbit, but Sky Scout is just better in every way for the same purpose