The Prismari Artistry deck is worth $68.46 according to TCGPlayer
Is it powerful enough
You can use this to push some extra damage, to dodge a board wipe, or even to turn a potentially game-winning swing from your opponent into some solid trades
I was expecting no surprises and really, to a larger degree for this to be a very short lived foray into the nostalgic memories of the game, nothing more
Loxi : Food Chain change is fine, I'm a firm believer in combo being essential to helping actually end games in the format and assembling some weird multiple card combos with Food Chain is neat, the bans on tutors and combos early in the game will hold it back enough that I don't expect it to be too silly outside of the usual suspects like Prossh, and at that point you're defeating the spirit of playing brackets where that would matter anyway
These rankings are based on simplicity, how well they demonstrate the core of the game, and their upgradeability