19 cards where the card types include “thopter”

Chrome Courier (Modern Horizons 2 #190)
Drill-Skimmer (Darksteel #118)
Flowstone Thopter (Nemesis #132)
Gold-Forged Thopteryx (March of the Machine: The Aftermath #31)
Hope of Ghirapur (Aether Revolt #154)
Krenko's Buzzcrusher (Murders at Karlov Manor #136)
Liberator, Urza's Battlethopter (The Brothers' War #237)
Ornithopter (Dominaria Remastered #233)
Ornithopter of Paradise (Commander Masters #966)
Pilgrim's Eye (Commander Masters #402)
Reconstructed Thopter (The Brothers' War #242)
Roterothopter (Masters Edition II #218)
Skyscanner (Core Set 2021 #238)
Snare Thopter (Game Night #57)
Spined Thopter (New Phyrexia #45)
Spotter Thopter (The Brothers' War #80)
Telethopter (Tempest Remastered #232)
Thopter Assembly (March of the Machine Commander #386)
Thopter Squadron (Tempest Remastered #233)

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