25 cards where the card is tagged “trigger-doubler”

Ancient Greenwarden (Outlaws of Thunder Junction Commander #186)
Annie Joins Up (Outlaws of Thunder Junction #191)
Clara Oswald (Doctor Who #9)
Delney, Streetwise Lookout (Murders at Karlov Manor #12)
Drivnod, Carnage Dominus (Phyrexia: All Will Be One #90)
Dungeon Delver (Commander Legends: Battle for Baldur's Gate #67)
Echoes of Eternity (Modern Horizons 3 #4)
Elesh Norn, Mother of Machines (Phyrexia: All Will Be One #10)
Felix Five-Boots (Outlaws of Thunder Junction Commander #6)
Gandalf the White (The Lord of the Rings: Tales of Middle-earth #19)
Hama Pashar, Ruin Seeker (Adventures in the Forgotten Realms #224)
Harmonic Prodigy (Modern Horizons 2 #132)
Isshin, Two Heavens as One (Kamigawa: Neon Dynasty #224)
Naban, Dean of Iteration (Dominaria #58)
Panharmonicon (Double Masters 2022 #310)
Panoptic Projektor (Murders at Karlov Manor Commander #44)
Roaming Throne (The Lost Caverns of Ixalan #258)
Sanctum of All (Core Set 2021 #225)
Teysa Karlov (Commander Masters #359)
Veyran, Voice of Duality (Outlaws of Thunder Junction Commander #248)
Virtue of Knowledge // Vantress Visions (Wilds of Eldraine #76)
Wayta, Trainer Prodigy (The Lost Caverns of Ixalan Commander #7)
Wizard from Beyond (2022 Heroes of the Realm #5)
Wulfgar of Icewind Dale (Forgotten Realms Commander #56)
Yarok, the Desecrated (Core Set 2020 #220)

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