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.
Think Tank94%
$0.24↓#20562↓0.00↓24.9 years↑
"At the beginning of your upkeep, surveil 1."
keyword-errata-surveil, surveil, keyword-errata
Sultai Ascendancy94%
$0.31↓#90900.34↑11.9 years↑
"At the beginning of your upkeep, surveil 2."
keyword-errata-surveil, surveil, keyword-errata
Naga Oracle89%
$0.09↓#27987↓0.46↑9.4 years↑
"When this creature enters, surveil 3."
keyword-errata-surveil, surveil, keyword-errata
Rummaging Wizard88%
$0.12↓#31490↓0.22↑23.9 years↑
": Surveil 1."
keyword-errata-surveil, surveil, keyword-errata
Taigam's Scheming88%
$0.05↓#14890↓0.0411.9 years↑
"Surveil 5."
keyword-errata-surveil, surveil, keyword-errata
Contingency Plan88%
$0.18↓#12201↓0.00↓10.1 years↑
"Surveil 5."
keyword-errata-surveil, surveil, keyword-errata
Curate87%
$0.18↓#4715↑0.115.4 years
"Surveil 2."
keyword-errata-surveil, surveil, keyword-errata
Otherworldly Gaze84%
$0.31↓#2526↑0.144.9 years↓
"Surveil 3."
keyword-errata-surveil, surveil, keyword-errata
Uurg, Spawn of Turg83%
$0.16↓#7840↑0.174.0 years↓
"At the beginning of your upkeep, surveil 1."
keyword-errata-surveil, surveil, keyword-errata
Etherwrought Page82%
$0.21↓#24354↓0.00↓17.3 years↑
"• Surveil 1."
keyword-errata-surveil, surveil, keyword-errata
Grim Flayer82%
$0.21↓#109490.0510.1 years↑
"Whenever this creature deals combat damage to a player, surveil 3."
keyword-errata-surveil, surveil, keyword-errata
Cruel Witness82%
$0.08↓#18773↓0.38↑4.8 years↓
"Whenever you cast a noncreature spell, surveil 1."