40 cards where the card types include “elder”

Ancient Brass Dragon (Commander Legends: Battle for Baldur's Gate #111)
Ancient Bronze Dragon (Commander Legends: Battle for Baldur's Gate #214)
Ancient Copper Dragon (Commander Legends: Battle for Baldur's Gate #161)
Ancient Gold Dragon (Commander Legends: Battle for Baldur's Gate #3)
Ancient Silver Dragon (Commander Legends: Battle for Baldur's Gate #56)
Arcades Sabboth (Dominaria Remastered #187)
Arcades, the Strategist (Core Set 2019 #212)
A-Tanazir Quandrix (Strixhaven: School of Mages #A-240)
Beledros Witherbloom (Strixhaven: School of Mages #163)
Chromium (Masters Edition III #147)
Chromium, the Mutable (Core Set 2019 #214)
Demonlord Belzenlok (Commander Masters #151)
Dragonlord Atarka (Dragons of Tarkir #216)
Dragonlord Dromoka (Double Masters 2022 #202)
Dragonlord Kolaghan (Dragons of Tarkir #218)
Dragonlord Ojutai (New Capenna Commander #337)
Dragonlord Silumgar (Double Masters 2022 #203)
Etali, Primal Conqueror // Etali, Primal Sickness (March of the Machine #137)
Etali, Primal Conqueror // Etali, Primal Sickness (March of the Machine #137)
Etali, Primal Storm (Murders at Karlov Manor Commander #152)
Galazeth Prismari (Strixhaven: School of Mages #189)
Ghalta, Primal Hunger (Commander Masters #292)
Ghalta, Stampede Tyrant (The Lost Caverns of Ixalan #185)
Kroxa and Kunoros (March of the Machine #245)
Kroxa, Titan of Death's Hunger (Theros Beyond Death #221)
Nezahal, Primal Tide (Commander Legends #401)
Nicol Bolas (Masters 25 #209)
Nicol Bolas, the Ravager // Nicol Bolas, the Arisen (Core Set 2019 #218)
Nicol Bolas, the Ravager // Nicol Bolas, the Arisen (Core Set 2019 #218)
Palladia-Mors (Masters Edition III #164)
Palladia-Mors, the Ruiner (Core Set 2019 #219)
Piru, the Volatile (Modern Horizons 2 #207)
Shadrix Silverquill (Strixhaven: School of Mages #230)
Tanazir Quandrix (Strixhaven: School of Mages #240)
Tetzimoc, Primal Death (Rivals of Ixalan #86)
The Mycotyrant (The Lost Caverns of Ixalan #235)
Uro, Titan of Nature's Wrath (Theros Beyond Death #229)
Vaevictis Asmadi (Masters Edition III #185)
Vaevictis Asmadi, the Dire (Core Set 2019 #225)
Velomachus Lorehold (Strixhaven: School of Mages #245)
Zacama, Primal Calamity (The Lost Caverns of Ixalan Commander #296)
Zetalpa, Primal Dawn (The Lost Caverns of Ixalan Commander #141)

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