29 cards where the color identity ≤ GRW and the mana value < 3 and (the full Oracle text includes “untap target creature” or the full Oracle text includes “untap all creatures”) and the text doesn’t contain “{t}”

Quirion Ranger (Modern Horizons 2 #285)
Quest for Renewal (Worldwake #110)
Legolas's Quick Reflexes (Tales of Middle-earth Commander #493)
Wirewood Symbiote (Modern Horizons 3 #288)
Vitalize (Classic Sixth Edition #265)
Great Train Heist (Outlaws of Thunder Junction #125)
Scryb Ranger (Time Spiral Remastered #227)
Benefactor's Draught (Commander 2016 #21)
Rally of Wings (War of the Spark #27)
To Arms! (Ravnica Remastered #30)
Mobilize (Portal #172)
Call to Glory (Champions of Kamigawa #4)
Djeru's Resolve (Amonkhet #11)
Rustler Rampage (Outlaws of Thunder Junction #27)
Ornamental Courage (Kaladesh #164)
Provoke (Tempest Remastered #186)
Aim High (Battlebond #189)
Gift of Growth (Dominaria #163)
Civic Gardener (Streets of New Capenna #140)
Initiate's Companion (Jumpstart #403)
Act of Heroism (Masters 25 #1)
Roar of the Kha (Mirrodin #18)
Beacon Hawk (Dissension #3)
Steady Aim (War of the Spark #177)
Gerrard's Command (Duel Decks: Phyrexia vs. the Coalition #53)
Rally the Troops (Portal Three Kingdoms #16)
Fear of Missing Out (Duskmourn: House of Horror #136)
Swinging Ship (Unfinity #231a)
Twiddlestick Charger (Unstable #210)

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