If you have a full party, creatures you control get +3/+0 until end of turn instead
Its a very roundabout way to say, Grist, the Hunger Tide can be your commander, but this wording also lets you reanimate Grist with creature reanimation abilities, grab Grist from your library with creature tutors, and drop it from your hand with abilities like Ghalta, Stampede Tyrant
If you're seeing a pattern among the stuff we can't play, it's called Nekusar, the MindrazerNekusar, the Mindrazer
Treasures are permanents, so this can easily get pretty gross quickly, and it will also trigger off all kinds of other flow-through permanents
Personally, I am feral for the confetti foil of this Bitterblossom printing, but you dont need a fancy one to throw into your deck
The rare/mythic, at least for my box, didnt seem curated which again, feels non-thematic