22 cards where the card types include “creature” and the mana value = 0 and it’s legal in Commander

Asmoranomardicadaistinaculdacar (Modern Horizons 2 #186)
Chamber Sentry (Jumpstart #461)
Crimson Kobolds (Masters Edition III #93)
Crookshank Kobolds (Masters Edition #90)
Cryptic Trilobite (Commander 2020 #21)
Dryad Arbor (Time Spiral Remastered #277)
Endless One (Commander Masters #804)
Hangarback Walker (Commander Masters #951)
Hostile Hostel // Creeping Inn (Innistrad: Midnight Hunt #264)
Hostile Hostel // Creeping Inn (Innistrad: Midnight Hunt #264)
Kobolds of Kher Keep (Masters Edition III #107)
Memnite (Duel Decks: Mirrodin Pure vs. New Phyrexia #2)
Omarthis, Ghostfire Initiate (Commander Masters #708)
Ornithopter (Dominaria Remastered #233)
Phyrexian Marauder (Visions #151)
Phyrexian Walker (Visions #152)
Rograkh, Son of Rohgahh (Commander Legends #197)
Shield Sphere (Masters Edition #166)
Shifting Wall (Stronghold #140)
Stonecoil Serpent (Commander Masters #976)
Ugin's Conjurant (War of the Spark #3)
Walking Ballista (Double Masters #306)
Westvale Abbey // Ormendahl, Profane Prince (Shadows over Innistrad #281)
Westvale Abbey // Ormendahl, Profane Prince (Shadows over Innistrad #281)

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.