Miscast 
Instant
$1.20 #2696 0.31 6.2 years
Counter target instant or sorcery spell unless its controller pays 
.
.Click a line or tag to filter
Cards similar to Miscast 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.
Flusterstorm97%
$4.99↑#307↑0.70↑15.2 years↑
"Counter target instant or sorcery spell unless its controller pays 
."
."
Disrupt96%
$0.27↓#10216↓0.43↑29.2 years↑
"Counter target instant or sorcery spell unless its controller pays ."
."
Judge's Familiar93%
$0.23↓#5502↓0.45↑13.9 years↑
"Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays ."
."
Cursecatcher93%
$0.44↓#11621↓0.67↑18.3 years↑
"Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays ."
."
Molten Influence93%
$7.84↑#17581↓0.91↑24.9 years↑
"Counter target instant or sorcery spell unless its controller has this card deal 4 damage to them."
Diversion Unit90%
$0.31↓#7311↓0.13↓1.6 years↓
", Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays ."
, Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays ."
Mausoleum Wanderer85%
$0.28↓#6770↓0.3210.1 years↑
"Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays 
, where X is this creature's power."
, where X is this creature's power."
Dispel85%
$0.28↓#919↑0.3316.6 years↑
"Counter target instant spell."
Extinguish84%
$0.25↓#27936↓0.60↑28.2 years↑
"Counter target sorcery spell."
Envelop84%
$3.31↑#20582↓0.60↑24.3 years↑
"Counter target sorcery spell."
Psychic Rebuttal83%
$0.20↓#20057↓0.19↓11.1 years↑
"Counter target instant or sorcery spell that targets you."
Muddle the Mixture82%
$1.84↑#694↑0.44↑20.9 years↑
"Counter target instant or sorcery spell."
Obscura Charm81%
$0.22↓#8540↓0.294.4 years↓
"• Counter target instant or sorcery spell."
Quench80%
$0.20↓#13076↓0.18↓7.6 years↑
"Counter target spell unless its controller pays 
."
."
Clash of Wills80%
$0.15↓#12548↓0.2211.1 years↑
"Counter target spell unless its controller pays ."
."
Swan Song78%
$9.86↑#68↑0.79↑12.9 years↑
"Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying."
Flash Counter77%
$0.22↓#18124↓0.05↓32.3 years↑
"Counter target instant spell."
Spellshift76%
$0.25↓#26413↓0.86↑19.6 years↑
"Counter target instant or sorcery spell. Its controller reveals cards from the top of their library until they reveal an instant or sorcery card. That player may cast that card without paying its mana cost. Then the player shuffles."
Sister of Silence76%
$0.41↓#12746↓0.61↑3.9 years↓
"When this creature enters, counter target instant spell, sorcery spell, activated ability, or triggered ability."
Stratus Dancer76%
$0.25↓#8199↓0.73↑11.4 years↑
"When this creature is turned face up, counter target instant or sorcery spell."