Thermal Navigator {3}
Artifact Creature — Construct
Sacrifice an artifact: This creature gains flying until end of turn.
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Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Krark-Clan Shaman 85%
$5.60#17857
"Sacrifice an artifact: This creature deals 1 damage to each creature without flying."
Skyshaper 82%
#22583
"Sacrifice this artifact: Creatures you control gain flying until end of turn."