Convolute 
Instant
$0.04 #11075 0.18 21.0 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↑#22962↓0.1413.5 years↓
"Counter target spell unless its controller pays 
."
."
Mana Leak96%
$0.17↑#1769↑0.38↑28.6 years↑
"Counter target spell unless its controller pays 
."
."
Spell Pierce90%
$0.25↑#902↑0.32↑17.0 years↓
"Counter target noncreature spell unless its controller pays ."
."
Clash of Wills82%
$0.20↑#124120.29↑11.3 years↓
"Counter target spell unless its controller pays 
."
."
Quench82%
$0.16↑#13312↓0.127.7 years↓
"Counter target spell unless its controller pays ."
."
Runeboggle80%
$0.05↑#26404↓0.47↑20.7 years
"Counter target spell unless its controller pays 
."
."
It'll Quench Ya!78%
$0.23↑#3673↑0.270.9 years↓
"Counter target spell unless its controller pays ."
."
Mana Tithe78%
$0.80↑#2142↑0.62↑19.7 years↓
"Counter target spell unless its controller pays ."
."
Soul Read78%
$0.22↑#16107↓0.143.9 years↓
"• Counter target spell unless its controller pays ."
."
Complicate77%
$0.23↑#13659↓0.00↓24.0 years↑
"Counter target spell unless its controller pays ."
."
Mystical Dispute77%
$0.37↑#108560.00↓7.0 years↓
"Counter target spell unless its controller pays ."
."
Force Spike77%
$0.97↑#13332↓0.33↑32.4 years↑
"Counter target spell unless its controller pays ."
."
Mindswipe77%
$0.33↑#14900↓0.1312.1 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%
$0.07↑#26456↓0.00↓17.5 years↓
"Counter target spell unless its controller pays . You gain 4 life."
. You gain 4 life."
Spectral Denial76%
$0.35↑#7953↑0.00↓1.5 years↓
"Counter target spell unless its controller pays ."
."
Censor76%
$0.20↑#13500↓0.109.5 years↓
"Counter target spell unless its controller pays ."
."
Spell Snip76%
$0.12↑#27387↓0.1418.0 years↓
"Counter target spell unless its controller pays ."
."
Overrule76%
$0.15↑#21300↓0.1020.5 years
"Counter target spell unless its controller pays . You gain X life."
. You gain X life."
Revolutionary Rebuff76%
$0.11↑#22359↓0.1910.1 years↓
"Counter target nonartifact spell unless its controller pays ."
."
Confounding Riddle76%
$0.30↑#7676↑0.06↓2.9 years↓
"• Counter target spell unless its controller pays ."
."