25 cards where the set is “2xm” and the cards were printed at a new rarity and the rarity is equal to common

Abrade (Double Masters #114)
Alabaster Mage (Double Masters #2)
Ancestral Blade (Double Masters #3)
Argivian Restoration (Double Masters #42)
Balduvian Rage (Double Masters #115)
Bone Picker (Double Masters #78)
Cast Down (Double Masters #79)
Clear Shot (Double Masters #159)
Conclave Naturalists (Double Masters #160)
Crib Swap (Double Masters #12)
Crusader of Odric (Double Masters #13)
Everflowing Chalice (Double Masters #254)
Frogify (Double Masters #52)
Golem-Skin Gauntlets (Double Masters #259)
Heartless Pillage (Double Masters #96)
Iron League Steed (Double Masters #263)
Kazuul's Toll Collector (Double Masters #133)
Magnifying Glass (Double Masters #269)
Myr Retriever (Double Masters #277)
Orcish Vandal (Double Masters #137)
Rapacious Dragon (Double Masters #140)
Sanctum Spirit (Double Masters #30)
Skinwing (Double Masters #288)
Surge Node (Double Masters #294)
Vedalken Infuser (Double Masters #74)

Though this query has ended, its relics still slumber in New Argive.