Bold Plagiarist 

Creature — Vampire Rogue
Flash
Whenever an opponent puts one or more counters on a creature they control, they put the same number and kind of counters 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.
Captain Marvel, Apex Avenger 80%
$0.40#16878
"Whenever you put one or more counters on another creature, if it's not a Kree, you may put the same number and kind of counters on this card."