As noted earlier, the cards weren't initially perceived as collectibles
"Year of the Ox Store Challenger Series 2021 Promos"
While there are plenty of substitute counters available in Modern like Negate, Spell Pierce, and Mana Leak, when your only goal is to counter your opponent's counterspell, it doesn't get any more efficient than Dispel
Green This is the tricky one
An Equip cost of two makes it easy to attach, too, given all the discounts available in the deck
I have a couple of my own lists that I think fall into that bracket or can be tweaked to fit, but Id love to hear from you about the changes youre making to your own personal lists that youre looking to adapt for the Core Bracket (2)