Demon Wall {1}{B}
Artifact Creature — Demon Wall
Defender
Menace (This creature can't be blocked except by two or more creatures.)
As long as this creature has a counter on it, it can attack as though it didn't have defender.
{5}{B}: Put two +1/+1 counters on this creature.
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Cards that do something similar 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.
Faithbound Judge // Sinner's Judgment 89%
$0.78#11161
"As long as this creature has three or more judgment counters on it, it can attack as though it didn't have defender."
Scuttlegator 88%
$0.12#20712
"As long as this creature has a +1/+1 counter on it, it can attack as though it didn't have defender."
+1 more matching line
Skyclave Sentinel 88%
$0.08#23875
"As long as this creature has a +1/+1 counter on it, it can attack as though it didn't have defender."
Karsus Depthguard 88%
$0.05#22562
"As long as this creature's power is 5 or greater, it can attack as though it didn't have defender."
+1 more matching line
Backstreet Bruiser 87%
$0.09#26117
"As long as there are two or more counters among creatures you control, this creature can attack as though it didn't have defender."
+1 more matching line
Platypus-Bear 86%
$0.06#22912
"As long as there is a Lesson card in your graveyard, this creature can attack as though it didn't have defender."
+1 more matching line
Goblin Cohort 85%
$0.24#24308
"This creature can't attack unless you've cast a creature spell this turn."
Mogg Conscripts 85%
#27105
"This creature can't attack unless you've cast a creature spell this turn."
Bloodcrazed Goblin 84%
$0.18#25197
"This creature can't attack unless an opponent has been dealt damage this turn."
Warmonger's Chariot 84%
$0.30#19177
"As long as equipped creature has defender, it can attack as though it didn't have defender."
Nils, Discipline Enforcer 84%
$0.25#4012
"Each creature with one or more counters on it can't attack you or planeswalkers you control unless its controller pays {X}, where X is the number of counters on that creature."
Mogg Toady 84%
$0.11#30572
"This creature can't attack unless you control more creatures than defending player."
Goblin Goon 84%
$0.35#20282
"This creature can't attack unless you control more creatures than defending player."
Novice Knight 83%
$0.12#23011
"As long as this creature is enchanted or equipped, it can attack as though it didn't have defender."
+1 more matching line
Drowsing Tyrannodon 83%
$0.09#21070
"As long as you control a creature with power 4 or greater, this creature can attack as though it didn't have defender."
+1 more matching line
Bristlepack Sentry 83%
$0.16#20084
"As long as you control a creature with power 4 or greater, this creature can attack as though it didn't have defender."
+1 more matching line
Lovestruck Beast // Heart's Desire 82%
$0.23#12443
"This creature can't attack unless you control a 1/1 creature."