Brainwash 
Enchantment — Aura
$0.12 #22149 0.68 32.1 years
Enchant creature
Enchanted creature can't attack unless its controller pays 
.
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Cards similar to Brainwash 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.
Oppressive Rays90%
$0.08↓#15964↑0.26↓12.3 years↓
"Enchanted creature can't attack or block unless its controller pays ."
."
Cowed by Wisdom90%
$0.17↑#219630.44↓21.3 years↓
"Enchanted creature can't attack or block unless its controller pays 
for each card in your hand."
for each card in your hand."
Ghostly Prison89%
$5.30↑#162↑1.07↑21.9 years↓
"Creatures can't attack you unless their controller pays 
for each creature they control that's attacking you."
for each creature they control that's attacking you."
War Tax88%
$2.80↑#15652↑0.29↓26.9 years↓
"
: This turn, creatures can't attack unless their controller pays for each attacking creature they control."
: This turn, creatures can't attack unless their controller pays for each attacking creature they control."
Collective Restraint86%
$14.25↑#6765↑1.10↑25.9 years↓
"Creatures can't attack you unless their controller pays for each creature they control that's attacking you, where X is the number of basic land types among lands you control."
for each creature they control that's attacking you, where X is the number of basic land types among lands you control."
Propaganda84%
$2.51↑#114↑1.12↑28.9 years↓
"Creatures can't attack you unless their controller pays for each creature they control that's attacking you."
for each creature they control that's attacking you."
Koskun Falls82%
$17.92↑#10673↑0.6230.9 years↓
"Creatures can't attack you unless their controller pays for each creature they control that's attacking you."
for each creature they control that's attacking you."
Windborn Muse81%
$0.48↑#999↑0.87↑23.6 years↓
"Creatures can't attack you unless their controller pays for each creature they control that's attacking you."
for each creature they control that's attacking you."
Baird, Steward of Argive80%
$0.22↑#2557↑0.47↓8.4 years↓
"Creatures can't attack you or planeswalkers you control unless their controller pays for each of those creatures."
for each of those creatures."
Deep Freeze79%
$0.20↑#180390.53↓8.4 years↓
"Enchant creature"
Sphere of Safety78%
$3.81↑#672↑1.17↑13.9 years↓
"Creatures can't attack you or planeswalkers you control unless their controller pays for each of those creatures, where X is the number of enchantments you control."
for each of those creatures, where X is the number of enchantments you control."
Demonic Torment78%
$4.80↑#27984↓0.20↓32.3 years
"Enchanted creature can't attack."
Archon of Absolution76%
$0.16↑#7560↑0.41↓6.9 years↓
"Creatures can't attack you or planeswalkers you control unless their controller pays for each of those creatures."
for each of those creatures."
Dáin, Lord of the Iron Hills76%
$0.30↑#11259↑0.00↓0.1 years↓
"As long as you have an enduring story, creatures can't attack you unless their controller pays for each of those creatures."
for each of those creatures."
Detained by Legionnaires76%
$0.12#17704↑0.55↓2.2 years↓
"Enchanted creature can't attack or block."
+1 more matching line
Luminous Bonds76%
$0.04↓#189930.31↓8.6 years↓
"Enchanted creature can't attack or block."
+1 more matching line
Uneasy Alliance76%
$0.11↓#187130.00↓0.5 years↓
"Enchanted creature can't attack or block."
Elephant Grass76%
$3.07↑#10181↑1.07↑29.6 years↓
"Nonblack creatures can't attack you unless their controller pays for each creature they control that's attacking you."
for each creature they control that's attacking you."
Flooded Woodlands75%
$0.78↑#235761.09↑31.3 years
"Green creatures can't attack unless their controller sacrifices a land of their choice for each green creature they control that's attacking."
Cessation74%
$0.15↑#220990.58↓27.6 years↓
"Enchanted creature can't attack."