Voracious Greatshark 
Creature — Shark
$0.17 #12346 0.06 6.5 years
Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, counter target artifact or creature spell.
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Cards similar to Voracious Greatshark expected a card that isn't here?
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Halt Order84%
$0.06↓#28855↓0.1316.1 years↑
"Counter target artifact spell."
Spectral Interference80%
$0.22↑#112800.131.7 years↓
"Counter target artifact or creature spell unless its controller pays 
."
."
Scatter Ray80%
$0.11↓#16637↓0.50↑3.9 years↓
"Counter target artifact or creature spell unless its controller pays ."
."
Artifact Blast78%
$2.27↑#18182↓0.59↑32.6 years↑
"Counter target artifact spell."
Essence Scatter76%
$0.07↓#2634↑0.23↑17.3 years↑
"Counter target creature spell."
Preemptive Strike76%
$6.27↑#28976↓0.31↑27.5 years↑
"Counter target creature spell."
False Summoning76%
$0.22↑#24856↓0.0628.3 years↑
"Counter target creature spell."
Strix Serenade76%
$1.89↑#1085↑0.57↑2.3 years↓
"Counter target artifact, creature, or planeswalker spell. Its controller creates a 2/2 blue Bird creature token with flying."
Steel Sabotage74%
$0.25↑#19872↓0.39↑15.7 years↑
"• Counter target artifact spell."
Exclude72%
$0.15↓#9464↑0.0626.0 years↑
"Counter target creature spell."
Bone to Ash72%
$0.05↓#140270.16↑14.7 years↑
"Counter target creature spell."
Minion's Return72%
$0.34↑#5661↑0.21↑6.7 years
"Flash"
Annul71%
$0.19↑#4556↑0.35↑28.0 years↑
"Counter target artifact or enchantment spell."
Summoner's Bane71%
$0.08↓#23670↓0.0617.0 years↑
"Counter target creature spell. Create a 2/2 blue Illusion creature token."
Weeping Angel70%
$0.37↑#9561↑0.56↑3.0 years↓
"Flash"