Pyroblast 
Instant
$7.96 #469 0.38 31.3 years
Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.
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Cards similar to Pyroblast 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.
Red Elemental Blast100%
$1.91↓#4370.4233.1 years↑
"• Counter target blue spell."
+2 more matching lines
Active Volcano94%
$0.20↓#17983↓0.3332.3 years↑
"• Destroy target blue permanent."
+1 more matching line
Hydroblast90%
$3.85↓#12550↓0.3331.3 years
"• Destroy target permanent if it's red."
+2 more matching lines
Blue Elemental Blast89%
$1.05↓#10860↓0.4433.1 years↑
"• Destroy target red permanent."
+2 more matching lines
Burnout86%
$1.50↓#12364↓0.60↑30.2 years↓
"Counter target instant spell if it's blue."
Gainsay85%
$0.05↓#24002↓0.22↓25.6 years↓
"Counter target blue spell."
Null Elemental Blast84%
$0.38↓#1576↓0.352.2 years↓
"• Destroy target multicolored permanent."
+2 more matching lines
You Come to a River84%
$0.23↓#8066↓0.335.1 years↓
"Choose one —"
Run Ashore81%
$0.09↓#25449↓0.13↓5.6 years↓
"Choose one or both —"
Desert Twister80%
$0.18↓#17679↓0.3532.7 years↑
"Destroy target permanent."
Guttural Response80%
$1.39↓#8858↓0.53↑18.3 years↓
"Counter target blue instant spell."
Display of Dominance78%
$0.07↓#23324↓0.04↓11.4 years↓
"• Destroy target blue or black noncreature permanent."
+2 more matching lines
Prismari Charm78%
$0.30↓#5826↓0.00↓0.4 years↓
"Choose one —"
Debt to the Kami78%
$0.28↓#15412↓0.06↓4.5 years↓
"Choose one —"
Cleansing Nova78%
$0.25↓#1268↓0.53↑8.1 years↓
"Choose one —"
Pharika's Libation78%
$0.18↓#13565↓0.53↑6.6 years↓
"Choose one —"
Saltblast78%
$0.13↓#28565↓0.2921.0 years↓
"Destroy target nonwhite permanent."
Fantastic Elasticity78%
$0.26↓#16445↓0.00↓0.2 years↓
"Choose one —"
Jaya Ballard, Task Mage77%
$0.25↓#16865↓0.17↓19.9 years↓
", 
, Discard a card: Destroy target blue permanent."
, , Discard a card: Destroy target blue permanent."
Merciless Eviction77%
$0.56↓#3120↓0.67↑13.6 years↓
"Choose one —"