Brawn, Amadeus Cho 

Legendary Creature — Gamma Scientist Hero
When Brawn enters, draw a card.
Power-up — {4}{G/U}: Put a +1/+1 counter on Brawn for each card in your hand. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn.)
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.