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
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
Perona Super Rare SP, OP06-093 This card, featuring Perona, is a Super Rare SP card
Carth even lets walkers like Garruk, Cursed Huntsman and Nissa, Vital Force ultimate right away
There are Landfall cards and other ways to profit from extra lands hitting play
It's also green's most easily-accessible piece of creature removal, and at the same time, it can be player removal as well