27 cards where the text includes “changeling” and the color identity ≤ BG

Barkform Harvester (Bloomburrow #243)
Birthing Boughs (Modern Horizons #221)
Black Market Connections (The Lost Caverns of Ixalan Commander #181)
Bloodline Pretender (March of the Machine Commander #350)
Cairn Wanderer (Commander 2020 #130)
Chameleon Colossus (Forgotten Realms Commander #153)
Changeling Outcast (Outlaws of Thunder Junction Commander #128)
Changeling Titan (Lorwyn #200)
Faceless Agent (Jumpstart: Historic Horizons #1)
Formless Genesis (Duskmourn: House of Horror Commander #34)
Game-Trail Changeling (Morningtide #123)
Ghostly Changeling (Modern Masters 2015 #83)
Gladewalker Ritualist (Kaldheim #392)
Graveshifter (March of the Machine Commander #251)
Guardian Gladewalker (Kaldheim #174)
Littjara Glade-Warden (Kaldheim #182)
Masked Vandal (Kaldheim #184)
Maskwood Nexus (Commander Legends: Battle for Baldur's Gate #865)
Moonglove Changeling (Morningtide #67)
Nameless Inversion (Modern Masters 2015 #87)
Realmwalker (The Lost Caverns of Ixalan Commander #250)
Skeletal Changeling (Lorwyn #140)
Three Tree Mascot (Foundations #682)
Universal Automaton (Modern Horizons #235)
Venomous Changeling (Modern Horizons #114)
Webweaver Changeling (Double Masters 2022 #164)
Woodland Changeling (Lorwyn #242)

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