Squealing Devil 

Creature — Devil
$0.18 #30525 0.00 20.5 years
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
When this creature enters, you may pay
. If you do, target creature gets +X/+0 until end of turn.
When this creature enters, sacrifice it unless
was spent to cast it.
Click a line or tag to filter
Cards similar to Squealing Devil 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.
Azorius Herald86%
$0.06↓#250670.0020.5 years
"When this creature enters, sacrifice it unless
was spent to cast it."
Patagia Viper86%
$0.08↓#23876↑0.12↑20.5 years
"When this creature enters, sacrifice it unless
was spent to cast it."
Court Hussar83%
$0.04↓#254140.0020.5 years
"When this creature enters, sacrifice it unless
was spent to cast it."
Crypt Champion82%
$0.06↓#274260.0020.5 years
"When this creature enters, sacrifice it unless
was spent to cast it."
Plaxmanta78%
$0.10↓#19165↑0.18↑20.5 years
"When this creature enters, sacrifice it unless
was spent to cast it."
Gruul Scrapper75%
$0.05↓#316130.38↑21.2 years
"When this creature enters, if
was spent to cast it, it gains haste until end of turn."
Steamcore Weird72%
$0.03↓#303750.25↑20.7 years
"When this creature enters, if
was spent to cast it, it deals 2 damage to any target."
Tin Street Hooligan72%
$0.09↓#288170.0020.7 years
"When this creature enters, if
was spent to cast it, destroy target artifact."
Clockwork Servant71%
$0.05↓#23446↑0.007.0 years↓
"When this creature enters, if at least three mana of the same color was spent to cast it, draw a card."
Steel Exemplar71%
$0.17↓#21982↑0.003.9 years↓
"This creature enters with two +1/+1 counters on it unless two or more colors of mana were spent to cast it."
Bone Pit Brute70%
$0.02↓#286390.006.3 years↓
"When this creature enters, target creature gets +4/+0 until end of turn."
+1 more matching line