50 cards where the text includes “activate” and the text includes “copy”

Abstruse Archaic (Commander Masters #712)
Activated Sleeper (Dominaria United Commander #24)
Adric, Mathematical Genius (Doctor Who #33)
Ashnod the Uncaring (The Brothers' War Commander #4)
Assemble from Parts (Alchemy: Innistrad #25)
Back from the Brink (Innistrad #44)
Battlemage's Bracers (Commander 2021 #48)
Bill Potts (Doctor Who #76)
Chandra's Regulator (Core Set 2020 #131)
Dedicated Dollmaker (Alchemy: Wilds of Eldraine #2)
Dino DNA (Jurassic World Collection #20)
Dollhouse of Horrors (Innistrad: Crimson Vow #255)
Dynaheir, Invoker Adept (Commander Legends: Battle for Baldur's Gate #273)
Echo Chamber (Tempest #282)
Ertha Jo, Frontier Mentor (Outlaws of Thunder Junction #203)
Illusionist's Bracers (Ravnica Remastered #260)
Jaxis, the Troublemaker (Streets of New Capenna #112)
Jaya's Phoenix (Commander Masters #738)
Kurkesh, Onakke Ancient (Magic 2015 #153)
Leori, Sparktouched Hunter (Commander Masters #709)
Likeness Looter (Wilds of Eldraine #208)
Lithoform Engine (Zendikar Rising #245)
Littjara Mirrorlake (New Capenna Commander #412)
Ludevic, Necrogenius // Olag, Ludevic's Hubris (Innistrad: Midnight Hunt #233)
Ludevic, Necrogenius // Olag, Ludevic's Hubris (Innistrad: Midnight Hunt #233)
Magus Lucea Kane (Warhammer 40,000 Commander #7)
Orthion, Hero of Lavabrink (March of the Machine #334)
Osgood, Operation Double (Doctor Who #191)
Pool of Vigorous Growth (Jumpstart: Historic Horizons #28)
Reflection Net (Alchemy: Ixalan #27)
Repeated Reverberation (Commander Masters #879)
Repudiate // Replicate (Ravnica Remastered #249)
Return the Favor (Outlaws of Thunder Junction #142)
Rings of Brighthearth (Commander Legends #335)
Rowan Kenrith (Commander Legends: Battle for Baldur's Gate #805)
Rowan's Talent (March of the Machine Commander #77)
Stella Lee, Wild Card (Outlaws of Thunder Junction Commander #3)
Sublime Epiphany (Core Set 2021 #74)
Sun-Blessed Guardian // Furnace-Blessed Conqueror (March of the Machine #38)
Sun-Blessed Guardian // Furnace-Blessed Conqueror (March of the Machine #38)
Tawnos, Solemn Survivor (The Brothers' War Commander #3)
Tawnos, Urza's Apprentice (Commander 2018 #45)
The Animus (Assassin's Creed #69)
The Enigma Jewel // Locus of Enlightenment (The Lost Caverns of Ixalan #55)
The Enigma Jewel // Locus of Enlightenment (The Lost Caverns of Ixalan #55)
The Peregrine Dynamo (Dominaria United Commander #19)
Unbound Flourishing (Modern Horizons #189)
Verrak, Warped Sengir (Dominaria United Commander #16)
Virtue of Knowledge // Vantress Visions (Wilds of Eldraine #76)
Weaver of Harmony (Kamigawa: Neon Dynasty #213)
Wizard's Spellbook (Adventures in the Forgotten Realms #82)
Yenna, Redtooth Regent (Wilds of Eldraine #219)
Zygon Infiltrator (Doctor Who #63)

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