41 cards where (the text includes “double” and the text includes “strike”) and (the card types include “artifact” or the card types include “enchantment”) and it’s legal in Commander

Altar of the Wretched // Wretched Bonemass (The Lost Caverns of Ixalan Commander #10)
Altar of the Wretched // Wretched Bonemass (The Lost Caverns of Ixalan Commander #10)
Armament of Nyx (Journey into Nyx #4)
Battle Mastery (Battlebond #89)
Berserkers' Onslaught (Dragons of Tarkir #130)
Bladehold War-Whip (Phyrexia: All Will Be One #197)
Blood Mist (Eldritch Moon #119)
Boros Keyrune (Gatecrash #227)
Brass Knuckles (Commander Masters #372)
Bronze Guardian (Commander 2021 #13)
Case of the Shattered Pact (Murders at Karlov Manor #1)
Celebr-8000 (Unfinity #185)
Combat Thresher (The Brothers' War #35)
Concerted Effort (Ravnica: City of Guilds #8)
Death-Mask Duplicant (Darksteel #115)
Duelist's Heritage (Murders at Karlov Manor Commander #60)
Eater of Virtue (Kamigawa: Neon Dynasty #245)
Elesh Norn // The Argent Etchings (March of the Machine #12)
Elesh Norn // The Argent Etchings (March of the Machine #12)
Embercleave (Throne of Eldraine #120)
Fireshrieker (Commander Masters #949)
Firja's Retribution (Commander Legends: Battle for Baldur's Gate #846)
Flaming Fist (Commander Legends: Battle for Baldur's Gate #18)
Gavel of the Righteous (New Capenna Commander #83)
Ghostblade Eidolon (Commander 2015 #70)
Grappling Hook (Commander 2017 #212)
Halvar, God of Battle // Sword of the Realms (Kaldheim #15)
Halvar, God of Battle // Sword of the Realms (Kaldheim #15)
Holy Avenger (Forgotten Realms Commander #6)
Huatli, Poet of Unity // Roar of the Fifth People (The Lost Caverns of Ixalan #189)
Huatli, Poet of Unity // Roar of the Fifth People (The Lost Caverns of Ixalan #189)
Knighted Myr (Commander Masters #36)
Lizard Blades (Kamigawa: Neon Dynasty #153)
Paladin Class (Adventures in the Forgotten Realms #29)
Path of Mettle // Metzali, Tower of Triumph (Rivals of Ixalan #165)
Path of Mettle // Metzali, Tower of Triumph (Rivals of Ixalan #165)
Phyrexian Dragon Engine (The Brothers' War #163a)
Rageform (Fate Reforged #112)
Rage Reflection (Double Masters #139)
Runes of the Deus (Shadowmoor #215)
Scuttling Butler (Streets of New Capenna #244)
Slicer, Hired Muscle // Slicer, High-Speed Antagonist (Transformers #6)
Slicer, Hired Muscle // Slicer, High-Speed Antagonist (Transformers #6)
True Conviction (Commander 2014 #93)
Twinblade Geist // Twinblade Invocation (Innistrad: Crimson Vow #40)
Twinblade Geist // Twinblade Invocation (Innistrad: Crimson Vow #40)
Two-Handed Axe // Sweeping Cleave (Commander Legends: Battle for Baldur's Gate #203)
War of the Last Alliance (The Lord of the Rings: Tales of Middle-earth #36)

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