Kargan Dragonrider {1}{R}
Creature — Human Warrior
As long as you control a Dragon, this creature has flying.
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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.
Urborg Scavengers 84%
$0.30#12363
"This creature has flying as long as a card exiled with it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance."
Escaped Shapeshifter 82%
$1.09#29308
"As long as an opponent controls a creature with flying not named this card, this creature has flying. The same is true for first strike, trample, and protection from any color."
Watchwing Scarecrow 82%
$0.28#18667
"This creature has flying as long as you control a blue creature."
Wingrattle Scarecrow 82%
$0.55#11047
"This creature has flying as long as you control a blue creature."
Soulflayer 82%
$0.34#20150
"If a creature card with flying was exiled with this creature's delve ability, this creature has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance."
Altar of the Wretched // Wretched Bonemass 82%
$1.39#7467
"This creature has flying as long as an exiled card used to craft it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, and vigilance."