In order to increase their levels in the Battle Pass, players need to play matches and complete the quests that grant Battle Pass experience
The other application Ive been mulling over is in building around revolt
It made over $200 million in two years and produced so many powerful cards (Hogaak, Arisen Necropoliswhich broke Modern and got bannedWrenn and Six, and Force of Negation) that it changed the face of Modern and eternal formats
Even if they might stick out like sore thumbs among the rest of your cards, theyll still become an integral part of the metagame until they rotate out, and theyre fun to use
Yes, graded Sword and Shield cards sell for more, but only if the grade is high
There are a bunch of decks that can reliably trigger this, from Ashling to Neheb, the Eternal