Hammerhead Tyrant 
Creature — Dragon
$0.35 #4828 0.50 1.5 years
Flying
Whenever you cast a spell, return up to one target nonland permanent an opponent controls with mana value less than or equal to that spell's mana value to its owner's hand.
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Cards similar to Hammerhead Tyrant expected a card that isn't here?
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Council of Echoes90%
$0.09↓#26697↓0.412.9 years↑
"Flying"
Brinelin, the Moon Kraken90%
$0.23↓#55080.39↓5.9 years↑
"When this card enters and whenever you cast a spell with mana value 6 or greater, you may return target nonland permanent to its owner's hand."
Aven Fogbringer83%
$0.18↓#25234↓0.4424.4 years↑
"Flying"
Displacement Wave82%
$0.45↑#12325↓0.31↓11.3 years↑
"Return all nonland permanents with mana value X or less to their owners' hands."
Equilibrium82%
$0.43↑#11477↓0.98↑28.3 years↑
"Whenever you cast a creature spell, you may pay 
. If you do, return target creature to its owner's hand."
. If you do, return target creature to its owner's hand."
Serum Snare81%
$0.29↓#46080.08↓3.7 years↑
"Return target nonland permanent to its owner's hand. If that permanent had mana value 3 or less, proliferate."
Mists of Lórien80%
$0.77↑#8883↓0.80↑3.0 years↑
"Return target nonland permanent and each other nonland permanent with the same mana value as that permanent to their owners' hands."
Repeal80%
$0.11↓#12282↓0.27↓20.7 years↑
"Return target nonland permanent with mana value X to its owner's hand."
Void Squall80%
$0.05↓#28267↓0.06↓11.6 years↑
"Return target nonland permanent to its owner's hand."
You Come to a River80%
$0.29↓#8131↓0.00↓5.2 years↑
"• Fight the Current — Return target nonland permanent to its owner's hand."
Machine Over Matter79%
$0.15↓#15128↓0.06↓3.9 years↑
"Return target nonland permanent to its owner's hand."
Eject79%
$0.19↓#11185↓0.82↑1.4 years
"Return target nonland permanent to its owner's hand."
Hullbreaker Horror78%
$5.95↑#278↑2.00↑4.9 years↑
"• Return target nonland permanent to its owner's hand."
Depart the Realm78%
$0.26↓#10107↓0.18↓5.7 years↑
"Return target nonland permanent to its owner's hand."
Drake Familiar78%
$0.09↓#28036↓0.06↓21.0 years↑
"Flying"
Gust of Wind78%
$0.19↓#14570↓0.05↓6.5 years↑
"Return target nonland permanent you don't control to its owner's hand."
Echoing Truth78%
$0.16↓#9921↓0.10↓22.7 years↑
"Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands."
Run Ashore78%
$0.11↓#25757↓0.10↓5.7 years↑
"• Return target nonland permanent to its owner's hand."
Out of the Way78%
$0.16↓#23170↓0.434.5 years↑
"Return target nonland permanent an opponent controls to its owner's hand."
Perilous Voyage78%
$0.09↓#20520↓0.00↓9.1 years↑
"Return target nonland permanent you don't control to its owner's hand. If its mana value was 2 or less, scry 2."