Orcish Librarian 

Creature — Orc
{R}, {T}: Look at the top eight cards of your library. Exile four of them at random, then put the rest on top of your library in any order.
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.