Towering Gibbon {3}{G}
Creature — Ape
Reach
Towering Gibbon's power is equal to the greatest mana value among creatures you control.
click a line to search just that ability, click more to combine them
Cards that do something similar 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.
Dodgy Jalopy 100%
$0.21#16903
"this card's power is equal to the greatest mana value among creatures you control."
Ancient Ooze 88%
$1.47#15926
"this card's power and toughness are each equal to the total mana value of other creatures you control."
Kraven, Proud Predator 87%
$0.13#18202
"this card's power is equal to the greatest mana value among permanents you control."
Dragon Man, Reformed Robot 84%
$0.19#26598
"this card's power is equal to the greatest mana value among noncreature permanents you control and noncreature cards in your graveyard."
Monstrous War-Leech 83%
$0.13#25391
"this card's power and toughness are each equal to the greatest mana value among cards in your graveyard."
Daretti, Rocketeer Engineer 82%
$0.34#8484
"this card's power is equal to the greatest mana value among artifacts you control."