is every magic card currently flagged as reserve list?

was looking at a weird strip mine version and saw it was on the reserved list...then the same on city of brass, so I searched for JTMS, and it's also saying it's on the reserve list...is just every card set for that value right now?

https://deckbox.org/mtg/Jace%2C%20the%2 … romqs=true

Reserved:    This card in on the reserved list.