Kethis, the Hidden Hand 
Legendary Creature — Elf Advisor
$3.68 #7449 0.25 7.2 years
Legendary spells you cast cost 
less to cast.
less to cast.Exile two legendary cards from your graveyard: Until end of turn, each legendary card in your graveyard gains "You may play this card from your graveyard."
Click a line or tag to filter
Cards similar to Kethis, the Hidden Hand 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.
Serah Farron // Crystallized Serah88%
$0.52↓#5582↑0.48↑1.2 years↓
"The first legendary creature spell you cast each turn costs 
less to cast."
less to cast."
The Kenriths' Royal Funeral78%
$0.26↓#9377↓0.50↑3.3 years↓
"Legendary spells you cast cost less to cast for each card exiled with this card."
less to cast for each card exiled with this card."+1 more matching line
Magus of the Will76%
$0.30↓#17159↓0.39↑9.8 years↑
", 
, Exile this creature: Until end of turn, you may play lands and cast spells from your graveyard. If a card would be put into your graveyard from anywhere this turn, exile that card instead."
, , Exile this creature: Until end of turn, you may play lands and cast spells from your graveyard. If a card would be put into your graveyard from anywhere this turn, exile that card instead."
Yawgmoth's Will72%
$249.31↑#2575↑1.30↑27.9 years↑
"Until end of turn, you may play lands and cast spells from your graveyard."
Emet-Selch, Unsundered // Hades, Sorcerer of Eld70%
$2.75↓#63570.42↑1.2 years↓
"During your turn, you may play cards from your graveyard."