The Ancient One 

Legendary Creature — Spirit God
$1.75 #5862 0.25 2.9 years
Descend 8 — The Ancient One can't attack or block unless there are eight or more permanent cards in your graveyard.
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Cards similar to The Ancient One 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.
Relic Golem84%
$0.20↓#8906↓0.00↓6.1 years↑
"This creature can't attack or block unless an opponent has eight or more cards in their graveyard."
+1 more matching line
Patchwork Beastie75%
$0.27↓#12644↓0.00↓2.1 years
"This creature can't attack or block unless there are four or more card types among cards in your graveyard."
The Lion-Turtle74%
$0.24↓#12263↓0.170.9 years↓
"this card can't attack or block unless there are three or more Lesson cards in your graveyard."
River Serpent74%
$0.18↓#19226↓0.00↓9.5 years↑
"This creature can't attack unless there are five or more cards in your graveyard."
Vantress Gargoyle72%
$0.24↓#11913↓0.13↓7.0 years↑
"This creature can't attack unless defending player has seven or more cards in their graveyard."
+1 more matching line
Deep-Sea Terror72%
$0.18↓#28119↓0.00↓11.3 years↑
"This creature can't attack unless there are seven or more cards in your graveyard."
Qal Sisma Behemoth72%
$0.04↓#30988↓0.00↓11.6 years↑
"This creature can't attack or block unless you pay
."