Convolute 
Instant
$0.06 #10948 0.37 20.9 years
Counter target spell unless its controller pays 
.
.Click a line or tag to filter
Cards similar to Convolute 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.
Mindstatic100%
$0.15↑#22747↓0.3013.3 years↓
"Counter target spell unless its controller pays 
."
."
Mana Leak96%
$0.22↑#1741↑0.2828.5 years↑
"Counter target spell unless its controller pays 
."
."
Spell Pierce90%
$0.28↑#910↑0.3716.9 years↓
"Counter target noncreature spell unless its controller pays ."
."
Clash of Wills82%
$0.15↑#125480.22↓11.1 years↓
"Counter target spell unless its controller pays 
."
."
Quench82%
$0.20↑#130760.18↓7.6 years↓
"Counter target spell unless its controller pays ."
."
Runeboggle80%
$0.04↓#26362↓0.12↓20.6 years
"Counter target spell unless its controller pays 
."
."
It'll Quench Ya!79%
$0.27↑#3783↑0.00↓0.8 years↓
"Counter target spell unless its controller pays ."
."
Mana Tithe78%
$0.78↑#2148↑0.4719.6 years↓
"Counter target spell unless its controller pays ."
."
Soul Read78%
$0.15↑#15849↓0.12↓3.8 years↓
"• Counter target spell unless its controller pays ."
."
Mystical Dispute77%
$0.38↑#110360.24↓6.9 years↓
"Counter target spell unless its controller pays ."
."
Complicate77%
$0.26↑#13481↓0.3323.9 years↑
"Counter target spell unless its controller pays ."
."
Spectral Denial77%
$0.35↑#8127↑0.26↓1.4 years↓
"Counter target spell unless its controller pays ."
."
Force Spike77%
$0.91↑#13278↓0.79↑32.3 years↑
"Counter target spell unless its controller pays ."
."
Mindswipe77%
$0.36↑#14660↓0.2911.9 years↓
"Counter target spell unless its controller pays . this card deals X damage to that spell's controller."
. this card deals X damage to that spell's controller."
Offering to Asha77%
$0.09↑#26250↓0.24↓17.3 years↓
"Counter target spell unless its controller pays . You gain 4 life."
. You gain 4 life."
Censor76%
$0.21↑#13352↓0.56↑9.4 years↓
"Counter target spell unless its controller pays ."
."
Spell Snip76%
$0.12↑#27124↓0.4517.9 years↓
"Counter target spell unless its controller pays ."
."
Overrule76%
$0.17↑#21095↓0.50↑20.3 years
"Counter target spell unless its controller pays . You gain X life."
. You gain X life."
Revolutionary Rebuff76%
$0.11↑#22085↓0.409.9 years↓
"Counter target nonartifact spell unless its controller pays ."
."
Lose Focus76%
$0.26↑#102890.50↑5.2 years↓
"Counter target spell unless its controller pays ."
."