To illustrate its rarity: only two copies worldwide have a grading higher than 9
Vivien, Arkbow Ranger Three green pips is a little color intensive for most multicolor decks, which keeps Vivien, Arkbow Ranger mostly in mono-green builds
But even without poison, even without Elesh Norn, the set will be important to our format for this reason: Proliferate
New Mechanics and Secrets of Strixhaven MTG cards There are 10 new and returning mechanics: Increment Quandrix is all about +1/+1 counters via Increment, which is basically evolve but for all spells
You also get a lot of token-making, since it's a common theme of Green
You continue looking through the pack and decide Half-Squirrel, Half- is the strongest choice