If youre going to double sleeve, go for a high-quality binder like the Ultra Pro or Dragon Shield mentioned below
Gourmands Talent gives a big buff to Food decks, converting all your other Artifacts into food, generating Creature tokens when gaining life, and powering up your whole board with frequently increasing +1/+1 counters
Aside from guiding Link Summons, Link Monsters often also have effects that interact with monsters in the zones they point to
While this move seems unlikely to directly create any reprint equity (although it could, if expensive cards from Portal and other weird non-Modern sets can be reprinted more easily without the "Modern" in front of "Masters"), taking the focus off of Modern specifically will gives Modern staples some room to breathe and, assuming the format and game keep growing, slowly increase in price until they are eventually exciting and valuable reprints once again
feel free to let me know where it would be best used