Cards like Synod Centurion

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.

Covetous Dragon100%

$4.48↑#284310.0027.2 years↑

"When you control no artifacts, sacrifice this creature."

state-trigger, synergy-artifact, drawback

Emperor Crocodile88%

$0.13↓#288260.53↑27.2 years↑

"When you control no other creatures, sacrifice this creature."

state-trigger, drawback, triggered-ability

Phylactery Lich82%

$0.24↑#17388↑0.0016.1 years↓

"When you control no permanents with phylactery counters on them, sacrifice this creature."

state-trigger, synergy-artifact, triggered-ability

Tethered Griffin79%

$1.13↑#276320.0027.2 years↑

"When you control no enchantments, sacrifice this creature."

state-trigger, drawback, triggered-ability

Lurebound Scarecrow77%

$0.32↑#21131↑0.0018.3 years↓

"When you control no permanents of the chosen color, sacrifice this creature."

state-trigger, drawback, triggered-ability

Vulshok War Boar76%

$0.10↓#313370.20↑22.6 years

"When this creature enters, sacrifice it unless you sacrifice an artifact."

synergy-artifact, drawback, triggered-ability

Glimmervoid75%

$3.98↑#4738↑0.0622.9 years

"At the beginning of the end step, if you control no artifacts, sacrifice this land."

synergy-artifact, drawback

Gorilla Pack72%

$0.17↑#266830.25↑31.3 years↑

"When you control no Forests, sacrifice this creature."

state-trigger, drawback, triggered-ability

Last Laugh70%

$13.61↑#14613↑0.50↑24.6 years↑

"When no creatures are on the battlefield, sacrifice this enchantment."

state-trigger, triggered-ability

Task Mage Assembly70%

$0.21↑#277190.29↑26.3 years↑

"When there are no creatures on the battlefield, sacrifice this enchantment."

state-trigger, triggered-ability

Synod Centurion

Cards similar to Synod Centurion expected a card that isn't here?