Arcanum Things 

Artifact — Equipment
Equipped creature has flying.
Equip {2}
Equipment swap {2}{W} ({2}{W}: Exchange this Equipment with an Equipment card in your hand. If this Equipment was attached to a creature, attach the new Equipment to that creature.)
click a line to search just that ability, click more to combine them
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.
Dragoon's Lance 86%
$0.23#7998
"During your turn, equipped creature has flying."
+1 more matching line
Mask of Griselbrand 83%
$0.70#3058
"Equipped creature has flying and lifelink."
+1 more matching line
Hulkbuster Armor 80%
$4.45#13773
"Equipped creature has base power and toughness 9/9 and has flying."
+1 more matching line