Pyroblast 
Instant
$8.81 #479 0.41 31.4 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%
$2.36↓#4500.51↑33.2 years↑
"• Counter target blue spell."
+2 more matching lines
Active Volcano95%
$0.18↓#18148↓0.63↑32.4 years↑
"• Destroy target blue permanent."
+1 more matching line
Hydroblast90%
$4.62↓#12711↓0.62↑31.4 years
"• Destroy target permanent if it's red."
+2 more matching lines
Blue Elemental Blast90%
$0.10↓#10928↓0.58↑33.2 years↑
"• Destroy target red permanent."
+2 more matching lines
Gainsay89%
$0.07↓#24243↓0.07↓25.7 years↓
"Counter target blue spell."
Burnout84%
$1.61↓#12476↓0.00↓30.4 years↓
"Counter target instant spell if it's blue."
Guttural Response83%
$1.33↓#8885↓0.24↓18.5 years↓
"Counter target blue instant spell."
You Come to a River83%
$0.29↓#8131↓0.00↓5.2 years↓
"Choose one —"
Null Elemental Blast82%
$0.37↓#1548↓0.332.3 years↓
"• Destroy target multicolored permanent."
+2 more matching lines
Display of Dominance82%
$0.07↓#23679↓0.21↓11.6 years↓
"• Destroy target blue or black noncreature permanent."
+2 more matching lines
Desert Twister78%
$0.17↓#18000↓0.3132.8 years↑
"Destroy target permanent."
Flash Flood78%
$0.20↓#21401↓0.4432.4 years↑
"• Destroy target red permanent."
+1 more matching line
Cleansing Nova78%
$0.21↓#1272↓0.57↑8.3 years↓
"Choose one —"
Prismari Charm78%
$0.29↓#5171↓0.08↓0.5 years↓
"Choose one —"
Debt to the Kami78%
$0.21↓#15760↓0.06↓4.7 years↓
"Choose one —"
Pharika's Libation77%
$0.25↓#13805↓0.00↓6.7 years↓
"Choose one —"
Fantastic Elasticity77%
$0.29↓#15141↓0.400.3 years↓
"Choose one —"
Saltblast76%
$0.13↓#28844↓0.29↓21.2 years↓
"Destroy target nonwhite permanent."
Jaya Ballard, Task Mage76%
$0.27↓#17256↓0.20↓20.0 years↓
", 
, Discard a card: Destroy target blue permanent."
, , Discard a card: Destroy target blue permanent."
Merciless Eviction76%
$0.55↓#3235↓1.07↑13.7 years↓
"Choose one —"