Glarbs court can always be found repeating his disastrous visions, even when theyre unwelcome
(Though Ozai, the Phoenix King does this even better, allowing you to keep the excess mana.) Miirym, Sentinel Wyrm is solid, but only in green-blue-red dragon decks and nowhere else, so that's a tad limiting
Ultramarines Honour Guard Ultramarines Honour Guard is a strictly different Intrepid Adversary
In a game with several players, chaos is inevitable, which can be supported by the Chaos Dragon
In an effort to streamline this effect a bit and make it a ton easier to track, Baner of Kinship has you pick a creature type when it comes into play, then add a fellowship counter to it for each creature you control of that type