27 cards where ((the text includes “deal” and the text includes “damage equal to its power” and (the text includes “target creature” or the text includes “any target”)) and the card types exclude “creature” and the color identity ≤ RU) or ((the text includes “deal…

Alpha Brawl (Dark Ascension #82)
Brawl (Mercadian Masques #178)
Breaking of the Fellowship (The Lord of the Rings: Tales of Middle-earth #117)
Burning Anger (Commander Legends #166)
Chandra's Ignition (The Lost Caverns of Ixalan Commander #220)
Commando Raid (Onslaught #195)
Crush Underfoot (Modern Masters #109)
Dead Before Sunrise (Outlaws of Thunder Junction Commander #26)
Deadshot (Tempest Remastered #129)
Dire Flail // Dire Blunderbuss (The Lost Caverns of Ixalan #145)
Dire Flail // Dire Blunderbuss (The Lost Caverns of Ixalan #145)
Electropotence (Zendikar #122)
Fall of the Hammer (Commander Anthology Volume II #97)
Form of the Dinosaur (Rivals of Ixalan #103)
Gravitic Punch (Guilds of Ravnica #105)
Gruesome Slaughter (Battle for Zendikar #9)
Heartfire Immolator (Core Set 2021 #150)
Laccolith Rig (Nemesis #88)
Lothlórien Blade (Tales of Middle-earth Commander #77)
Lukka, Coppercoat Outcast (Ikoria: Lair of Behemoths #125)
Markov Retribution (Innistrad: Crimson Vow #171)
Minotaur Illusionist (Apocalypse #111)
Mutiny (Rivals of Ixalan #106)
Pandemonium (Tempest Remastered #149)
Showstopping Surprise (Murders at Karlov Manor Commander #35)
Soul's Fire (Commander Legends #200)
Tail Slash (Dragons of Tarkir #161)
Warstorm Surge (Commander Legends: Battle for Baldur's Gate #815)

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