Gwaihir, Greatest of the Eagles 
Legendary Creature — Bird Noble
$0.43 #5954 0.07 3.3 years
Flying
Whenever Gwaihir attacks, target attacking creature gains flying until end of turn.
At the beginning of each end step, if you gained 3 or more life this turn, create a 3/3 white Bird creature token with flying and "Whenever this token attacks, target attacking creature gains flying until end of turn."
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Cards similar to Gwaihir, Greatest of the Eagles expected a card that isn't here?
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Pegasus Courser98%
$0.11↓#17678↓0.30↑8.5 years↑
"Whenever this creature attacks, another target attacking creature gains flying until end of turn."
Aerial Guide98%
$0.06↓#23552↓0.009.3 years↑
"Whenever this creature attacks, another target attacking creature gains flying until end of turn."
Kinsbaile Balloonist96%
$0.14↓#26585↓0.0019.0 years↑
"Whenever this creature attacks, you may have target creature gain flying until end of turn."
Chasm Drake96%
$0.08↓#30609↓0.29↑15.3 years↑
"Whenever this creature attacks, target creature you control gains flying until end of turn."
Heavenly Qilin96%
$0.13↓#30037↓0.068.3 years↑
"Whenever this creature attacks, another target creature you control gains flying until end of turn."
Trained Condor96%
$0.05↓#28912↓0.0013.3 years↑
"Whenever this creature attacks, another target creature you control gains flying until end of turn."
Roc Charger95%
$0.15↓#26875↓0.008.0 years↑
"Whenever this creature attacks, target attacking creature without flying gains flying until end of turn."
Trusted Pegasus95%
$0.13↓#17601↓0.007.5 years↑
"Whenever this creature attacks, target attacking creature without flying gains flying until end of turn."
Phyrexian Pegasus94%
$0.17↓#17555↓0.003.5 years
"Whenever this creature attacks, another target attacking creature without flying gains flying until end of turn."
Starry-Eyed Skyrider94%
$0.15↓#8250↓0.111.5 years↓
"Whenever this creature attacks, another target creature you control gains flying until end of turn."
+1 more matching line
Gravity Negator94%
$0.05↓#26180↓0.0010.7 years↑
"Whenever this creature attacks, you may pay 
. If you do, another target creature gains flying until end of turn."
. If you do, another target creature gains flying until end of turn."
Helitrooper91%
$0.21↓#7766↓0.121.4 years↓
"Whenever this creature attacks, another target attacking creature gains flying until end of turn."
Gryffwing Cavalry91%
$0.09↓#25143↓0.004.9 years↑
"Whenever this creature attacks, you may pay 
. If you do, target attacking creature without flying gains flying until end of turn."
. If you do, target attacking creature without flying gains flying until end of turn."
Eddytrail Hawk90%
$0.06↓#20449↓0.0010.1 years↑
"Whenever this creature attacks, you may pay 
. If you do, another target attacking creature gains flying until end of turn."
. If you do, another target attacking creature gains flying until end of turn."
Appa, Aang's Companion90%
$0.27↓#16654↓0.120.9 years↓
"Whenever this card attacks, another target attacking creature without flying gains flying until end of turn."
+1 more matching line
Landroval, Horizon Witness90%
$0.19↓#13812↓0.27↑3.3 years
"Whenever two or more creatures you control attack a player, target attacking creature without flying gains flying until end of turn."
Blessed Hippogriff // Tyr's Blessing90%
$0.16↓#13503↓0.004.4 years↑
"Whenever this creature attacks, target attacking creature without flying gains flying until end of turn."
Oteclan Landmark // Oteclan Levitator88%
$0.16↓#16955↓0.38↑2.9 years
"Whenever this creature attacks, target attacking creature without flying gains flying until end of turn."
Kitesail Skirmisher87%
$0.17↓#21563↓0.125.9 years↑
"Whenever this creature attacks, another target creature attacking the same player or planeswalker gains flying until end of turn."
+1 more matching line
Storm, Queen of Wakanda86%
$0.33↓#15019↓0.41↑0.3 years↓
"Whenever this card attacks, until end of turn, another target attacking creature gains flying and gets +X/+0, where X is this card's power."