Bogslither's Embrace 

Sorcery
As an additional cost to cast this spell, blight 1 or pay {3}. (To blight 1, put a -1/-1 counter on a creature you control.)
Exile target creature.
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.
Soul Immolation 82%
$2.34#7022
"As an additional cost to cast this spell, blight X. X can't be greater than the greatest toughness among creatures you control."