Devourer of Memory 

Creature — Nightmare
$0.16 #22226 0.15 6.6 years
Whenever one or more cards are put into your graveyard from your library, this creature gets +1/+1 until end of turn and can't be blocked this turn.
Click a line or tag to filter
Cards similar to Devourer of Memory 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.
Crawling Infestation84%
$0.24↑#4540↑0.144.8 years↓
"At the beginning of your upkeep, you may mill two cards."
+1 more matching line
Waterlogged Hulk // Watertight Gondola76%
$0.11↓#16366↑0.25↑2.8 years↓
"
: Mill a card."
+1 more matching line
Saprazzan Breaker76%
$0.23↑#31722↓0.00↓26.9 years↑
"
: Mill a card. If a land card was milled this way, this creature can't be blocked this turn."
Crawling Sensation76%
$0.22↑#3046↑0.1310.4 years↑
"At the beginning of your upkeep, you may mill two cards."
Trespassing Souleater74%
$0.09↓#26966↓0.00↓15.3 years↑
"
: This creature can't be blocked this turn."