Big Bertha 

Legendary Creature — Mutant Hero
Vigilance
Big Bertha enters with X +1/+1 counters on her.
{1}{G}, {T}: Put a +1/+1 counter on Big Bertha.
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.
The Astonishing Ant-Man 85%
$0.42#15760
"{2}{G}, {T}, Remove any number of +1/+1 counters from this card: Create that many 1/1 green Insect creature tokens."
Haldir, Lórien Lieutenant 82%
$0.28#6821
"this card enters with X +1/+1 counters on it."
+2 more matching lines