Elrond, Moon-Reader 

Legendary Creature — Elf Noble
Whenever you activate an ability of a creature, draw a card. This ability triggers only once each turn.
every line here is clickable: search one ability on its own, or a few together
min match slid to 70% to fit the blend, blended scores are averages and averages land lower.
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.