Each card would tell you how to advance the track, with the card gaining abilities as it advanced along the track A playtest cosmic card from "Volleyball" Vision Design Because the cards were too big to fit in the deck, we had cards which would fetch them
While I like the fact it makes tapped treasure for balance purposes, it does nerf the card in a way that might mean its too slow
WotC also likes dragons, I guess, since there are a lot of options if you want to spice up your deck
They'll show up in one out of every 24 draft booster packs, and have a one in 24 chance of appearing in the foil and galaxy foil slots of Unfinity's collector boosters
1 Resculpt
If you can manage to do that, though, Shirei is a threat to be reckoned with, especially once it gets a few Blood Artist effects going