27 cards where the card types include “elder” and the card types include “dragon”

Ancient Copper Dragon (Commander Legends: Battle for Baldur's Gate #161)
Ancient Silver Dragon (Commander Legends: Battle for Baldur's Gate #56)
Ancient Brass Dragon (Commander Legends: Battle for Baldur's Gate #111)
Beledros Witherbloom (Strixhaven: School of Mages #163)
Ancient Gold Dragon (Commander Legends: Battle for Baldur's Gate #3)
Dragonlord Dromoka (Double Masters 2022 #202)
Ancient Bronze Dragon (Commander Legends: Battle for Baldur's Gate #214)
Shadrix Silverquill (Strixhaven: School of Mages #230)
Nicol Bolas, the Ravager // Nicol Bolas, the Arisen (Core Set 2019 #218)
Nicol Bolas, the Ravager // Nicol Bolas, the Arisen (Core Set 2019 #218)
Galazeth Prismari (Strixhaven: School of Mages #189)
Arcades, the Strategist (Core Set 2019 #212)
Dragonlord Ojutai (New Capenna Commander #337)
Dragonlord Silumgar (Double Masters 2022 #203)
Piru, the Volatile (Modern Horizons 2 #207)
Vaevictis Asmadi, the Dire (Core Set 2019 #225)
Velomachus Lorehold (Strixhaven: School of Mages #245)
Dragonlord Kolaghan (Dragons of Tarkir #218)
Dragonlord Atarka (Dragons of Tarkir #216)
Tanazir Quandrix (Strixhaven: School of Mages #240)
Nicol Bolas (Masters 25 #209)
Chromium, the Mutable (Core Set 2019 #214)
Palladia-Mors, the Ruiner (Core Set 2019 #219)
Vaevictis Asmadi (Masters Edition III #185)
Arcades Sabboth (Dominaria Remastered #187)
Chromium (Masters Edition III #147)
Palladia-Mors (Masters Edition III #164)
A-Tanazir Quandrix (Strixhaven: School of Mages #A-240)

The arc of my blade has carved a path of light to the end of these results.