Reyav, Master Smith {R}{W}
Legendary Creature — Dwarf Artificer
Whenever a creature you control that's enchanted or equipped attacks, that creature gains double strike 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.
Aradesh, the Founder 91%
$0.26#13302
"Whenever a creature you control attacks, if it enlisted a creature this combat, the creature that attacked gains double strike until end of turn. If that creature's power is 4 or greater, draw a card."
Squall, SeeD Mercenary 89%
$0.78#3820
"Whenever a creature you control attacks alone, it gains double strike until end of turn."
Seifer Almasy 89%
$0.23#10671
"Whenever a creature you control attacks alone, it gains double strike until end of turn."
Rafiq of the Many 89%
$0.29#10463
"Whenever a creature you control attacks alone, it gains double strike until end of turn."
Picnic Ruiner // Stolen Goodies 85%
$0.15#14988
"Whenever this creature attacks while you control a creature with power 4 or greater, this creature gains double strike until end of turn."
Atarka, World Render 85%
$0.36#1313
"Whenever a Dragon you control attacks, it gains double strike until end of turn."
Flaming Fist 83%
$0.19#4909
"Commander creatures you own have "Whenever this creature attacks, it gains double strike until end of turn.""
Momentum Rumbler 82%
$0.26#21905
"Whenever this creature attacks, if it has first strike, it gains double strike until end of turn."