Scuttling Death 

Creature — Spirit
Sacrifice this creature: Target creature gets -1/-1 until end of turn.
Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)
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.
Cabal Trainee 99%
$0.09#28195
"Sacrifice this creature: Target creature gets -2/-0 until end of turn."
Phyrexian Plaguelord 90%
$0.20#13421
"Sacrifice a creature: Target creature gets -1/-1 until end of turn."
Tip the Scales 86%
$0.22#8055
"Sacrifice a creature. When you do, all creatures get -X/-X until end of turn, where X is the sacrificed creature's toughness."