25 cards where the set is “moc” and (the collector number >= 47 and the collector number <= 71)

Enigma Ridges (March of the Machine Commander #48)
Esper (March of the Machine Commander #49)
Ghirapur (March of the Machine Commander #51)
Inys Haen (March of the Machine Commander #54)
Ketria (March of the Machine Commander #55)
Littjara (March of the Machine Commander #56)
Megaflora Jungle (March of the Machine Commander #57)
Naktamun (March of the Machine Commander #58)
New Argive (March of the Machine Commander #59)
Norn's Seedcore (March of the Machine Commander #60)
Nyx (March of the Machine Commander #61)
Paliano (March of the Machine Commander #62)
Riptide Island (March of the Machine Commander #64)
Strixhaven (March of the Machine Commander #65)
Ten Wizards Mountain (March of the Machine Commander #66)
The Caldaia (March of the Machine Commander #47)
The Fertile Lands of Saulvinia (March of the Machine Commander #50)
The Golden City of Orazca (March of the Machine Commander #52)
The Great Aerie (March of the Machine Commander #53)
The Pit (March of the Machine Commander #63)
The Western Cloud (March of the Machine Commander #70)
The Wilds (March of the Machine Commander #71)
Towashi (March of the Machine Commander #67)
Unyaro (March of the Machine Commander #68)
Valor's Reach (March of the Machine Commander #69)

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