59 cards where the text includes “convoke” and the color identity ≤ RUW and it’s legal in Commander

Aerial Boost (March of the Machine #2)
Angel of Salvation (March of the Machine Commander #170)
Artistic Refusal (March of the Machine #46)
Astral Wingspan (March of the Machine #48)
Bennie Bracks, Zoologist (Murders at Karlov Manor Commander #57)
Burning Sun's Fury (March of the Machine #133)
Calamity of Cinders (Bloomburrow Commander #23)
Chant of Vitu-Ghazi (March of the Machine Commander #177)
Chief Engineer (Commander 2016 #86)
City on Fire (March of the Machine #135)
Clever Concealment (Phyrexia: All Will Be One Commander #5)
Complete the Circuit (March of the Machine #52)
Conclave Equenaut (Ravnica Remastered #13)
Conclave Phalanx (Modern Masters 2015 #12)
Conclave's Blessing (Ravnica: City of Guilds #11)
Conclave Tribunal (Ravnica: Clue Edition #56)
Crowd's Favor (Magic 2015 #138)
Cut Short (March of the Machine #10)
Dazzling Theater // Prop Room (Duskmourn: House of Horror #3)
Devouring Light (Ravnica Remastered #15)
Ephemeral Shields (March of the Machine Commander #184)
Everything Comes to Dust (Doctor Who #19)
Flight of Equenauts (March of the Machine Commander #186)
Flockchaser Phantom (March of the Machine Commander #41)
Halo Hopper (March of the Machine #260)
Hour of Reckoning (March of the Machine Commander #190)
Interdisciplinary Mascot (March of the Machine #326)
Invasion of Segovia // Caetus, Sea Tyrant of Segovia (March of the Machine #63)
Invasion of Segovia // Caetus, Sea Tyrant of Segovia (March of the Machine #63)
Joyful Stormsculptor (March of the Machine #243)
Kasla, the Broken Halo (March of the Machine Commander #4)
Knight-Errant of Eos (March of the Machine #26)
Ledev Guardian (Guilds of Ravnica #18)
Loxodon Restorer (Guilds of Ravnica #20)
Martyr's Soul (Modern Horizons #19)
Meditation Puzzle (Magic 2015 #19)
Meeting of Minds (March of the Machine #66)
Obelisk of Urd (Zendikar Rising Commander #115)
Party Thrasher (Modern Horizons 3 #129)
Peri Brown (Doctor Who #26)
Ramosian Greatsword (March of the Machine #159)
Referee Squad (March of the Machine #327)
Return to the Ranks (Magic 2015 #29)
Saint Traft and Rem Karolus (March of the Machine Commander #9)
Seraph of the Masses (March of the Machine Commander #205)
Shatter the Source (March of the Machine #164)
Shivan Branch-Burner (March of the Machine #165)
Stoke the Flames (March of the Machine #166)
Temporal Cleansing (March of the Machine #80)
The Wandering Rescuer (Duskmourn: House of Horror #41)
Thunderhead Squadron (March of the Machine #81)
Transcendent Message (March of the Machine #83)
Triplicate Spirits (Magic 2015 #40)
Venerated Loxodon (March of the Machine Commander #215)
Wand of the Worldsoul (March of the Machine Commander #20)
We Ride at Dawn (Outlaws of Thunder Junction Commander #12)
Wicked Slumber (March of the Machine #84)
Wildfire Awakener (March of the Machine Commander #44)
Will-Forged Golem (Magic 2015 #239)
Zephyr Singer (March of the Machine #86)

In the blink of an eye, they strode from deep snow to the end of this search.