Obstinate Gargoyle 


Artifact Creature — Gargoyle
This creature has flying as long as it's modified. (Equipment, Auras you control, and counters are modifications.)
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
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.
Urborg Scavengers 87%
$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."
Altar of the Wretched // Wretched Bonemass 85%
$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."
Windwright Mage 83%
$0.16#27758
"This creature has flying as long as an artifact card is in your graveyard."
Arrester's Zeal 83%
$0.27#17099
"If you cast this spell during your main phase, that creature gains flying until end of turn."
Watchwing Scarecrow 83%
$0.28#18667
"This creature has flying as long as you control a blue creature."
Wingrattle Scarecrow 83%
$0.55#11047
"This creature has flying as long as you control a blue creature."
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."
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."
Death-Mask Duplicant 81%
$0.26#28357
"As long as a card exiled with this creature has flying, this creature has flying. The same is true for fear, first strike, double strike, haste, landwalk, protection, and trample."
Moorland Drifter 80%
$0.06#30668
"This creature has flying as long as there are four or more card types among cards in your graveyard."