Xolatoyec introduces support for a rarely used Counter in MTG, Flood Counters
This does weaken their efficacy, but expect them to pop up in mono-colored decks, except the green one, March of Burgeoning Life, which is mostly unplayable in our singleton format
Snap Snap does its best work in decks that can play it for free and that generally want to cast a bunch of spells
If you're A) planning to do 100+ ranked drafts of this set no matter what and/or B) a pro-level player that can improve your win rate 8-10% if you don't take the bad Rares, then you may not need to pick bad Rares quite so ruthlessly
It's also green's most easily-accessible piece of creature removal, and at the same time, it can be player removal as well
Perona Super Rare SP, OP06-093 This card, featuring Perona, is a Super Rare SP card