Relic Runner {1}{U}
Creature — Human Rogue
This creature can't be blocked if you've cast a historic spell this turn. (Artifacts, legendaries, and Sagas are historic.)
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.
Illvoi Infiltrator 94%
$0.11#19170
"This creature can't be blocked if you've cast two or more spells this turn."
Sword Coast Serpent // Capsizing Wave 92%
$0.32#6206
"This creature can't be blocked as long as you've cast a noncreature spell this turn."