Council of the Absolute 
Creature — Human Advisor
$0.36 #24133 0.63 13.3 years
As this creature enters, choose a noncreature, nonland card name.
Your opponents can't cast spells with the chosen name.
Spells with the chosen name you cast cost less to cast.
less to cast.Click a line or tag to filter
Cards similar to Council of the Absolute 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.
Alhammarret, High Arbiter96%
$0.23↓#197410.5711.1 years↓
"Your opponents can't cast spells with the chosen name ."
+1 more matching line
Nevermore94%
$1.02↑#14808↑0.84↑14.9 years↑
"As this enchantment enters, choose a nonland card name."
+1 more matching line
Voidstone Gargoyle91%
$0.28↓#275370.6819.6 years↑
"As this creature enters, choose a nonland card name."
+1 more matching line
Null Chamber90%
$1.44↑#257840.88↑29.9 years↑
"Spells with the chosen names can't be cast and lands with the chosen names can't be played."
+1 more matching line
Gideon's Intervention90%
$0.27↓#207420.569.4 years↓
"Your opponents can't cast spells with the chosen name."
+1 more matching line
Meddling Mage88%
$1.70↑#17783↑0.88↑25.6 years↑
"As this creature enters, choose a nonland card name."
+1 more matching line
Academic Probation84%
$0.17↓#246650.715.4 years↓
"• Choose a nonland card name. Opponents can't cast spells with the chosen name until your next turn."
Conjurer's Ban82%
$0.21↓#285260.22↓20.6 years↑
"Choose a card name. Until your next turn, spells with the chosen name can't be cast and lands with the chosen name can't be played."
Failure // Comply82%
$0.31↓#216840.35↓9.4 years↓
"Choose a card name. Until your next turn, your opponents can't cast spells with the chosen name."
Stone Calendar80%
$14.67↑#202700.48↓32.1 years↑
"Spells you cast cost 
less to cast."
less to cast."
Helm of Awakening77%
$1.51↑#1903↑0.36↓29.6 years↑
"Spells cost less to cast."
less to cast."
Cheering Fanatic74%
$0.14↓#198780.36↓8.2 years↓
"Whenever this creature attacks, choose a card name. Spells with the chosen name cost less to cast this turn."
less to cast this turn."
Spellwild Ouphe72%
$0.32↓#16327↑0.29↓19.3 years↑
"Spells that target this creature cost less to cast."
less to cast."
Memory Crystal71%
$2.14↑#239690.6028.2 years↑
"Buyback costs cost less."
less."