54 cards where (the card types exclude “land” and the card types exclude “ugin”) and the cards have colorless identity and it’s legal in Standard and (the rarity is equal to rare or the rarity is equal to mythic)

Agatha's Soul Cauldron (Wilds of Eldraine #242)
Argentum Masticore (Phyrexia: All Will Be One #222)
Chimil, the Inner Sun (The Lost Caverns of Ixalan #249)
Cityscape Leveler (The Brothers' War #233)
Cryptex (Murders at Karlov Manor #251)
Dollhouse of Horrors (Innistrad: Crimson Vow #255)
Eater of Virtue (Kamigawa: Neon Dynasty #245)
Getaway Car (Streets of New Capenna #237)
Gingerbrute (Media Inserts #53)
Golden Argosy (Dominaria United #230)
Graaz, Unstoppable Juggernaut (Phyrexia: All Will Be One #229)
Hylda's Crown of Winter (Wilds of Eldraine #247)
Invasion of Ravnica // Guildpact Paragon (March of the Machine #1)
Invasion of Ravnica // Guildpact Paragon (March of the Machine #1)
Investigator's Journal (Commander Masters #956)
Karn, Legacy Reforged (March of the Machine: The Aftermath #49)
Karn, Living Legacy (Dominaria United #1)
Karn's Sylex (Dominaria United #234)
Liberator, Urza's Battlethopter (The Brothers' War #237)
Lost Jitte (The Big Score #23)
Lotus Ring (The Big Score #24)
Luxior, Giada's Gift (Streets of New Capenna #240)
Mechtitan Core (Kamigawa: Neon Dynasty #249)
Mirran Safehouse (Phyrexia: All Will Be One #232)
Mirror Box (Kamigawa: Neon Dynasty #250)
Monument to Perfection (Phyrexia: All Will Be One #233)
Nexus of Becoming (The Big Score #25)
Pithing Needle (Double Masters 2022 #312)
Portal to Phyrexia (The Brothers' War #240)
Realmbreaker, the Invasion Tree (March of the Machine #263)
Roaming Throne (The Lost Caverns of Ixalan #258)
Sorcerous Spyglass (Throne of Eldraine #233)
Soulless Jailer (Phyrexia: All Will Be One #241)
Staff of Compleation (Phyrexia: All Will Be One #242)
Surgehacker Mech (Kamigawa: Neon Dynasty #260)
Sword of Forge and Frontier (Phyrexia: All Will Be One #244)
Sword of Once and Future (March of the Machine #265)
Sword of Wealth and Power (The Big Score #26)
Syr Ginger, the Meal Ender (Wilds of Eldraine #252)
Tablet of Compleation (Phyrexia: All Will Be One #245)
Tarrian's Soulcleaver (The Lost Caverns of Ixalan #264)
The Celestus (Innistrad: Midnight Hunt #252)
The Filigree Sylex (Phyrexia: All Will Be One #227)
The Irencrag (Wilds of Eldraine #248)
The Mightstone and Weakstone (The Brothers' War #238a)
The Millennium Calendar (The Lost Caverns of Ixalan #257)
The Stasis Coffin (The Brothers' War #245)
The Stone Brain (The Brothers' War #247)
Thran Spider (The Brothers' War #254)
Threefold Thunderhulk (The Lost Caverns of Ixalan #265)
Torpor Orb (New Phyrexia #162)
Transmutation Font (The Big Score #28)
Unlicensed Hearse (Streets of New Capenna #246)
Weatherlight Compleated (Dominaria United #242)
Zenith Chronicler (Phyrexia: All Will Be One #246)

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