35 cards where the set is “cmm” and (the collector number >= 744 and the collector number <= 778)

Abstruse Archaic (Commander Masters #744)
Calamity of the Titans (Commander Masters #745)
Desecrate Reality (Commander Masters #746)
Flayer of Loyalties (Commander Masters #747)
Omarthis, Ghostfire Initiate (Commander Masters #748)
Rise of the Eldrazi (Commander Masters #749)
Skittering Cicada (Commander Masters #750)
Ugin's Mastery (Commander Masters #751)
Zhulodok, Void Gorger (Commander Masters #752)
Boon of the Spirit Realm (Commander Masters #753)
Gatewatch Beacon (Commander Masters #754)
Onakke Oathkeeper (Commander Masters #755)
Ondu Spiritdancer (Commander Masters #756)
Regal Sliver (Commander Masters #757)
Sparkshaper Visionary (Commander Masters #758)
Taunting Sliver (Commander Masters #759)
Titan of Littjara (Commander Masters #760)
Cacophony Unleashed (Commander Masters #761)
Demon of Fate's Design (Commander Masters #762)
Ghoulish Impetus (Commander Masters #763)
Lazotep Sliver (Commander Masters #764)
Capricious Sliver (Commander Masters #765)
Descendants' Fury (Commander Masters #766)
Guff Rewrites History (Commander Masters #767)
Jaya's Phoenix (Commander Masters #768)
Composer of Spring (Commander Masters #769)
For the Ancestors (Commander Masters #770)
Hatchery Sliver (Commander Masters #771)
Nyxborn Behemoth (Commander Masters #772)
Anikthea, Hand of Erebos (Commander Masters #773)
Leori, Sparktouched Hunter (Commander Masters #774)
Narci, Fable Singer (Commander Masters #775)
Rukarumel, Biologist (Commander Masters #776)
Sliver Gravemother (Commander Masters #777)
Darksteel Monolith (Commander Masters #778)

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