56 cards where the card types include “adventure” and the color identity ≤ BRW

A-Blessed Hippogriff // A-Tyr's Blessing (Alchemy Horizons: Baldur's Gate #A-85)
Altar of Bhaal // Bone Offering (Commander Legends: Battle for Baldur's Gate #109)
Amethyst Dragon // Explosive Crystal (Commander Legends: Battle for Baldur's Gate #160)
Ardenvale Tactician // Dizzying Swoop (Throne of Eldraine #5)
A-Young Red Dragon // A-Bathe in Gold (Alchemy Horizons: Baldur's Gate #A-197)
Bellowing Bruiser // Beat a Path (Wilds of Eldraine #121)
Besotted Knight // Betroth the Beast (Wilds of Eldraine #4)
Blessed Hippogriff // Tyr's Blessing (Commander Legends: Battle for Baldur's Gate #11)
Bonecrusher Giant // Stomp (Commander Legends: Battle for Baldur's Gate #781)
Callous Sell-Sword // Burn Together (Wilds of Eldraine #221)
Cheeky House-Mouse // Squeak By (Wilds of Eldraine #7)
Conceited Witch // Price of Beauty (Wilds of Eldraine #84)
Crystal Dragon // Rob the Hoard (Commander Legends: Battle for Baldur's Gate #13)
Decadent Dragon // Expensive Taste (Wilds of Eldraine #223)
Devouring Sugarmaw // Have for Dinner (Wilds of Eldraine #224)
Embereth Shieldbreaker // Battle Display (Commander Legends: Battle for Baldur's Gate #792)
Faerie Guidemother // Gift of the Fae (Throne of Eldraine #11)
Fang Dragon // Forktail Sweep (Commander Legends: Battle for Baldur's Gate #173)
Fell Horseman // Deathly Ride (Wilds of Eldraine #92)
Foulmire Knight // Profane Insight (March of the Machine Commander #249)
Ghost Lantern // Bind Spirit (Commander Legends: Battle for Baldur's Gate #128)
Giant Killer // Chop Down (Throne of Eldraine #14)
Grabby Giant // That's Mine (Wilds of Eldraine #133)
Gray Slaad // Entropic Decay (Commander Legends: Battle for Baldur's Gate #129)
Guardian Naga // Banishing Coils (Commander Legends: Battle for Baldur's Gate #23)
Gumdrop Poisoner // Tempt with Treats (Wilds of Eldraine #93)
Heartflame Duelist // Heartflame Slash (Wilds of Eldraine #228)
Hearth Elemental // Stoke Genius (Wilds of Eldraine #136)
Hezrou // Demonic Stench (Commander Legends: Battle for Baldur's Gate #131)
Horn of Valhalla // Ysgard's Call (Commander Legends: Battle for Baldur's Gate #26)
Imodane's Recruiter // Train Troops (Wilds of Eldraine #229)
Kellan, the Fae-Blooded // Birthright Boon (Wilds of Eldraine #230)
Lonesome Unicorn // Rider in Need (Throne of Eldraine #21)
Merchant of the Vale // Haggle (Throne of Eldraine #131)
Minecart Daredevil // Ride the Rails (Wilds of Eldraine #141)
Murderous Rider // Swift End (March of the Machine Commander #258)
Omniclown Colossus // Pie-roclasm (Unfinity #116)
Order of Midnight // Alter Fate (March of the Machine Commander #261)
Pegasus Guardian // Rescue the Foal (Commander Legends: Battle for Baldur's Gate #36)
Porcine Portent // Lend a Ham (Alchemy: Wilds of Eldraine #23)
Promise of Aclazotz // Foul Rebirth (The Lost Caverns of Ixalan Commander #84)
Ratcatcher Trainee // Pest Problem (Wilds of Eldraine #144)
Realm-Cloaked Giant // Cast Off (Forgotten Realms Commander #70)
Reaper of Night // Harvest Fear (Throne of Eldraine #102)
Rimrock Knight // Boulder Rush (Throne of Eldraine #137)
Shepherd of the Flock // Usher to Safety (Throne of Eldraine #28)
Shrouded Shepherd // Cleave Shadows (Wilds of Eldraine #236)
Silverflame Squire // On Alert (Throne of Eldraine #31)
Smitten Swordmaster // Curry Favor (March of the Machine Commander #268)
Topaz Dragon // Entropic Cloud (Commander Legends: Battle for Baldur's Gate #153)
Two-Handed Axe // Sweeping Cleave (Commander Legends: Battle for Baldur's Gate #203)
Two-Headed Hunter // Twice the Rage (Wilds of Eldraine #155)
Virtue of Courage // Embereth Blaze (Wilds of Eldraine #157)
Virtue of Loyalty // Ardenvale Fealty (Wilds of Eldraine #38)
Virtue of Persistence // Locthwain Scorn (Wilds of Eldraine #115)
Young Red Dragon // Bathe in Gold (Commander Legends: Battle for Baldur's Gate #210)

It is the moment of discovery, the triumph of the mind, and the end of these results.