Fen Stalker 
Creature — Nightstalker
$0.09 #31703 0.00 26.3 years
This creature has fear as long as you control no untapped lands. (It can't be blocked except by artifact creatures and/or black creatures.)
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Cards similar to Fen Stalker 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.
Hooded Kavu79%
$0.21↑#307240.25↑25.9 years
": This creature gains fear until end of turn."
: This creature gains fear until end of turn."