Twinblade Blessing {1}{W}{W}
Enchantment — Aura
Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature has double strike. (It deals both first-strike and regular combat damage.)
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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.
Twinblade Geist // Twinblade Invocation 100%
$0.14#13918
"Enchanted creature has double strike."
+1 more matching line
Armament of Nyx 88%
$0.05#22195
"Enchanted creature has double strike as long as it's an enchantment. Otherwise, prevent all damage that would be dealt by enchanted creature."
+1 more matching line