Vampire Scrivener {4}{B}
Creature — Vampire Warlock
Flying
Whenever you gain life during your turn, put a +1/+1 counter on this creature.
Whenever you lose life during your turn, put a +1/+1 counter on this 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.
Cleric of Life's Bond 91%
$0.20#13285
"Whenever you gain life for the first time each turn, put a +1/+1 counter on this creature."
Vengeful Warchief 90%
$0.21#24509
"Whenever you lose life for the first time each turn, put a +1/+1 counter on this creature."
Bloodthirsty Aerialist 88%
$0.39#6510
"Whenever you gain life, put a +1/+1 counter on this creature."
Elenda's Hierophant 88%
$4.29#1886
"Whenever you gain life, put a +1/+1 counter on this creature."
+1 more matching line