Hydroblast 
Instant
$4.62 #12711 0.62 31.4 years
Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.
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Cards similar to Hydroblast expected a card that isn't here?
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Blue Elemental Blast100%
$0.10↓#109280.5833.2 years↑
"• Counter target red spell."
+2 more matching lines
Flash Flood92%
$0.20↓#21401↓0.44↓32.4 years↑
"• Destroy target red permanent."
+1 more matching line
Pyroblast90%
$8.81↑#479↑0.41↓31.4 years
"• Destroy target permanent if it's blue."
+2 more matching lines
Red Elemental Blast90%
$2.36↓#450↑0.51↓33.2 years↑
"• Destroy target blue permanent."
+2 more matching lines
Southern Paladin85%
$0.52↓#25172↓0.24↓29.4 years↓
"
, 
: Destroy target red permanent."
, : Destroy target red permanent."
You Come to a River83%
$0.29↓#8131↑0.00↓5.2 years↓
"Choose one —"
Null Elemental Blast82%
$0.37↓#1548↑0.33↓2.3 years↓
"• Destroy target multicolored permanent."
+2 more matching lines
Active Volcano82%
$0.18↓#18148↓0.6332.4 years↑
"• Destroy target blue permanent."
+1 more matching line
Flashfreeze80%
$0.07↓#20387↓0.06↓20.2 years↓
"Counter target red or green spell."
Celestial Purge79%
$0.25↓#21683↓0.12↓17.7 years↓
"Exile target black or red permanent."
Cleansing Nova78%
$0.21↓#1272↑0.578.3 years↓
"Choose one —"
Debt to the Kami78%
$0.21↓#15760↓0.06↓4.7 years↓
"Choose one —"
Pharika's Libation77%
$0.25↓#138050.00↓6.7 years↓
"Choose one —"
Desert Twister76%
$0.17↓#18000↓0.31↓32.8 years↑
"Destroy target permanent."
Merciless Eviction76%
$0.55↓#3235↑1.07↑13.7 years↓
"Choose one —"
Thorin's Last Stand76%
$0.08↓#145670.03↓0.2 years↓
"Choose one —"
Saltblast75%
$0.13↓#28844↓0.29↓21.2 years↓
"Destroy target nonwhite permanent."
Douse74%
$0.33↓#20818↓0.76↑28.0 years↓
"
: Counter target red spell."
: Counter target red spell."
Change the Equation74%
$0.29↓#143650.12↓3.5 years↓
"• Counter target red or green spell with mana value 6 or less."
+1 more matching line
Defend the Campus74%
$0.08↓#24810↓0.06↓5.5 years↓
"Choose one —"