Grim Flayer {B}{G}
Creature — Human Warrior
Trample
Whenever this creature deals combat damage to a player, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Delirium — This creature gets +2/+2 as long as there are four or more card types among 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.
Gnarlwood Dryad 100%
$0.25#8482
"This creature gets +2/+2 as long as there are four or more card types among cards in your graveyard."
Foul Watcher 88%
$0.14#20953
"This creature gets +1/+0 as long as there are four or more card types among cards in your graveyard."
Billowing Shriekmass 83%
$0.17#17670
"This creature gets +2/+1 as long as there are seven or more cards in your graveyard."
Springing Tiger 82%
$0.15#30552
"This creature gets +2/+2 as long as there are seven or more cards in your graveyard."
Nimble Mongoose 82%
$0.06#26419
"This creature gets +2/+2 as long as there are seven or more cards in your graveyard."
Anurid Barkripper 82%
$0.19#26342
"This creature gets +2/+2 as long as there are seven or more cards in your graveyard."
Seton's Scout 82%
$0.23#29076
"This creature gets +2/+2 as long as there are seven or more cards in your graveyard."
Desmond Miles 81%
$0.38#5026
"Whenever this card deals combat damage to a player, surveil X, where X is the amount of damage it dealt to that player."
Desperate Sentry 80%
$0.08#25235
"This creature gets +3/+0 as long as there are four or more card types among cards in your graveyard."
Moldgraf Scavenger 80%
$0.05#26475
"This creature gets +3/+0 as long as there are four or more card types among cards in your graveyard."