20 cards where the name includes “.adro”

Battle-Mad Ronin (Champions of Kamigawa #156)
Battle Squadron (Duel Decks: Merfolk vs. Goblins #33)
Cybermen Squadron (Doctor Who #176)
Dalek Squadron (Doctor Who #65)
Faerie Squadron (Invasion #58)
Geyadrone Dihada (Modern Horizons 2 #199)
Gigadrowse (Guildpact #26)
Infesting Radroach (Fallout #46)
Myr Quadropod (Fifth Dawn #138)
Mythos of Vadrok (Ikoria: Lair of Behemoths #127)
Nephalia Drownyard (The Lost Caverns of Ixalan Commander #344)
Ranger Squadron (Alchemy Horizons: Baldur's Gate #26)
Securitron Squadron (Fallout #23)
Silverwing Squadron (March of the Machine Commander #207)
Squadron Hawk (Masters 25 #34)
Suntail Squadron (Alchemy: Innistrad #11)
Thopter Squadron (Tempest Remastered #233)
Thunderhead Squadron (March of the Machine #81)
Vadrok, Apex of Thunder (Ikoria: Lair of Behemoths #214)
Viconia, Drow Apostate (Commander Legends: Battle for Baldur's Gate #156)

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