20 cards where the set is “onc” and (the collector number >= 1 and the collector number <= 20)

Ixhel, Scion of Atraxa (Phyrexia: All Will Be One Commander #1)
Neyali, Suns' Vanguard (Phyrexia: All Will Be One Commander #2)
Otharri, Suns' Glory (Phyrexia: All Will Be One Commander #3)
Vishgraz, the Doomhive (Phyrexia: All Will Be One Commander #4)
Clever Concealment (Phyrexia: All Will Be One Commander #5)
Glimmer Lens (Phyrexia: All Will Be One Commander #6)
Kemba's Banner (Phyrexia: All Will Be One Commander #7)
Norn's Choirmaster (Phyrexia: All Will Be One Commander #8)
Norn's Decree (Phyrexia: All Will Be One Commander #9)
Staff of the Storyteller (Phyrexia: All Will Be One Commander #10)
Geth's Summons (Phyrexia: All Will Be One Commander #11)
Phyresis Outbreak (Phyrexia: All Will Be One Commander #12)
Goldwardens' Gambit (Phyrexia: All Will Be One Commander #13)
Hexplate Wallbreaker (Phyrexia: All Will Be One Commander #14)
Roar of Resistance (Phyrexia: All Will Be One Commander #15)
Vulshok Factory (Phyrexia: All Will Be One Commander #16)
Contaminant Grafter (Phyrexia: All Will Be One Commander #17)
Glissa's Retriever (Phyrexia: All Will Be One Commander #18)
Wurmquake (Phyrexia: All Will Be One Commander #19)
Glistening Sphere (Phyrexia: All Will Be One Commander #20)

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