44 cards where the card is tagged “rainbow-land”

Ancient Ziggurat (Conflux #141)
Archway Commons (Strixhaven: School of Mages #263)
Azor's Gateway // Sanctum of the Sun (Rivals of Ixalan #176)
Azor's Gateway // Sanctum of the Sun (Rivals of Ixalan #176)
Bucolic Ranch (Outlaws of Thunder Junction #265)
Cascading Cataracts (Dominaria United Commander #202)
Cavern of Souls (The Lost Caverns of Ixalan #269)
City of Ass (Unhinged #134)
City of Brass (Double Masters 2022 #321)
Command Tower (Outlaws of Thunder Junction Commander #280)
Corrupted Crossroads (Oath of the Gatewatch #169)
Crystal Quarry (Dominaria United Commander #206)
Dowsing Dagger // Lost Vale (Ixalan #235)
Dowsing Dagger // Lost Vale (Ixalan #235)
Forbidden Orchard (Double Masters 2022 #323)
Forsaken City (Planeshift #139)
Gateway Plaza (War of the Spark #246)
Gemstone Mine (Dominaria Remastered #247)
Glimmervoid (Double Masters #319)
Golden Guardian // Gold-Forge Garrison (Rivals of Ixalan #179)
Golden Guardian // Gold-Forge Garrison (Rivals of Ixalan #179)
Gold Mine (Mystery Booster Playtest Cards 2021 #116)
Grand Coliseum (Commander 2016 #299)
Hadana's Climb // Winged Temple of Orazca (Rivals of Ixalan #158)
Hadana's Climb // Winged Temple of Orazca (Rivals of Ixalan #158)
Journey to Eternity // Atzal, Cave of Eternity (Rivals of Ixalan #160)
Journey to Eternity // Atzal, Cave of Eternity (Rivals of Ixalan #160)
Lotus Field (Core Set 2020 #249)
Mana Confluence (Journey into Nyx #163)
Meteor Crater (Planeshift #140)
Path of Mettle // Metzali, Tower of Triumph (Rivals of Ixalan #165)
Path of Mettle // Metzali, Tower of Triumph (Rivals of Ixalan #165)
Pillar of the Paruns (Double Masters 2022 #328)
Primal Amulet // Primal Wellspring (Ixalan #243)
Primal Amulet // Primal Wellspring (Ixalan #243)
Profane Procession // Tomb of the Dusk Rose (Rivals of Ixalan #166)
Profane Procession // Tomb of the Dusk Rose (Rivals of Ixalan #166)
Rainbow Vale (Masters Edition #179)
Rupture Spire (Commander Legends #355)
Secluded Courtyard (The Lost Caverns of Ixalan Commander #350)
Spire of Industry (Murders at Karlov Manor Commander #296)
Tarnished Citadel (Odyssey #329)
The Secret Lair (2020 Heroes of the Realm #3)
The World Tree (Kaldheim #275)
Thran Quarry (Urza's Saga #329)
Transguild Promenade (Commander Legends #499)
Unclaimed Territory (The Lost Caverns of Ixalan Commander #366)
Vivid Crag (Commander Anthology Volume II #276)
Vivid Creek (New Capenna Commander #444)
Vivid Grove (New Capenna Commander #445)
Vivid Marsh (Commander 2017 #292)
Vivid Meadow (New Capenna Commander #446)

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