They are avoiding giving us the exact rarity, as they did with The One Ring, because that data point unlocks a whole lot of additional information for us: number of packs, how many copies of a card exist, things like that
Theres nothing mechanically unique, theres only one card in all of this that hasnt had a premium printing before
Hurricane Back to Nature Ezuri's Predation Bane of Progress Whiptongue Hydra Silklash Spider Nylea's Intervention Arashi, the Sky Asunder Setessan Tactics Whirlwind Squall Line Windstorm Enchantments Green can be a bit hypocritical with its hatred for enchantments when it has several extremely powerful ones
Already having the cat wizard creature type, Reddit user Chilichilichilo saw the potential with this alter, painting a light blue background over the original art and border and adding a little cat wizard onto the card
Bennie Bracks, Zoologist is practically free since youll want to spit out a bunch of tokens anyway
Playing four copies of Field of Ruin really minimizes the downside of Assassins Trophy and the combination of those two cards is legitimately powerful