Metamorphic Wurm {3}{G}{G}
Creature — Elephant Wurm
Threshold — This creature gets +4/+4 as long as there are seven or more cards in your graveyard.
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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.
Krosan Beast 99%
$5.05#18711
"This creature gets +7/+7 as long as there are seven or more cards in your graveyard."
Cabal Initiate 97%
$0.21#16500
"This creature gets +1/+2 as long as there are seven or more cards in your graveyard."
Nantuko Calmer 95%
$0.25#27979
"This creature gets +1/+1 as long as there are seven or more cards in your graveyard."
Werebear 93%
$0.22#8089
"This creature gets +3/+3 as long as there are seven or more cards in your graveyard."
Billowing Shriekmass 90%
$0.17#17670
"This creature gets +2/+1 as long as there are seven or more cards in your graveyard."
Springing Tiger 89%
$0.15#30552
"This creature gets +2/+2 as long as there are seven or more cards in your graveyard."
Nimble Mongoose 89%
$0.06#26419
"This creature gets +2/+2 as long as there are seven or more cards in your graveyard."
Anurid Barkripper 89%
$0.19#26342
"This creature gets +2/+2 as long as there are seven or more cards in your graveyard."
Seton's Scout 89%
$0.23#29076
"This creature gets +2/+2 as long as there are seven or more cards in your graveyard."
Mind Drill Assailant 81%
$0.14#14377
"As long as there are seven or more cards in your graveyard, this creature gets +3/+0."
Swimmer in Nightmares 81%
$0.25#28003
"This creature gets +3/+0 as long as there are ten or more cards in a single graveyard."