41 cards where the text includes “first strike” and the mana value = 3 and the power = 3

Alesha, Who Smiles at Death (Dominaria United Commander #118)
Altaïr Ibn-La'Ahad (Assassin's Creed #45)
Anax and Cymede (Theros #186)
Aragorn, Company Leader (The Lord of the Rings: Tales of Middle-earth #191)
Assault Intercessor (Warhammer 40,000 Commander #104)
Boros Reckoner (Murders at Karlov Manor Commander #201)
Breeches, Eager Pillager (The Lost Caverns of Ixalan #137)
Brutal Cathar // Moonrage Brute (Innistrad: Midnight Hunt #7)
Brutal Cathar // Moonrage Brute (Innistrad: Midnight Hunt #7)
Crystalline Giant (New Capenna Commander #364)
Flayer Drone (Oath of the Gatewatch #148)
Florian, Voldaren Scion (Innistrad: Midnight Hunt #223)
Glissa Sunslayer (Phyrexia: All Will Be One #202)
Glissa, the Traitor (Mirrodin Besieged #96)
Goblin Chainwhirler (Dominaria #129)
Hunting Velociraptor (Jurassic World Collection #4)
Kellogg, Dangerous Mind (Fallout #106)
Kessig Wolf (Innistrad #151)
Kor Scythemaster (Oath of the Gatewatch #23)
Kruin Outlaw // Terror of Kruin Pass (Innistrad #152)
Kruin Outlaw // Terror of Kruin Pass (Innistrad #152)
Lara Croft, Tomb Raider (Secret Lair Drop #1501)
Laurine, the Diversion (Outlaws of Thunder Junction Commander #172)
Mindsparker (Magic 2014 #146)
Mirri, Weatherlight Duelist (Commander Masters #347)
Nirkana Cutthroat (Rise of the Eldrazi #119)
Noble Panther (Invasion #257)
Odric, Blood-Cursed (Innistrad: Crimson Vow #243)
Ogre Battlecaster (Jumpstart 2022 #36)
Ordruun Mentor (Ravnica: Clue Edition #39)
Paranoid Parish-Blade (Shadows over Innistrad #33)
Porcelain Legionnaire (New Phyrexia #19)
Radha, Heart of Keld (Core Set 2021 #224)
Rakdos Augermage (Dissension #127)
Renegade Firebrand (Kaladesh #268)
Rhet-Crop Spearmaster (Amonkhet #26)
Shivan Raptor (Urza's Saga #215)
Spiteful Prankster (Jumpstart #26)
Sproutwatch Dryad (Alchemy: Murders at Karlov Manor #20)
Tajic, Legion's Edge (Ravnica Remastered #231)
Thalia, Heretic Cathar (Eldritch Moon #46)
Vadrok, Apex of Thunder (Ikoria: Lair of Behemoths #214)
Verge Rangers (Commander 2020 #29)

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