Trail of Mystery {1}{G}
Enchantment
Whenever a face-down creature you control enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Whenever a permanent you control is turned face up, if it's a creature, it gets +2/+2 until end of turn.
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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.
Environmental Scientist 85%
$0.19#17904
"When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle."
Civic Wayfinder 85%
$0.07#18401
"When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle."
Changeling Wayfinder 85%
$0.29#5791
"When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle."
Skittering Surveyor 85%
$0.06#11877
"When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle."
Farfinder 85%
$0.20#14909
"When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle."
Pilgrim's Eye 85%
$0.10#4734
"When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle."
Sylvan Ranger 85%
$0.26#9013
"When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle."
Borderland Ranger 85%
$0.12#17622
"When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle."
Sprouting Goblin 82%
$0.23#6677
"When this creature enters, if it was kicked, search your library for a land card with a basic land type, reveal it, put it into your hand, then shuffle."
Spider-Bot 81%
$0.22#8960
"When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top."
Giant Ladybug 81%
$0.15#18965
"When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top."
Campus Guide 81%
$0.17#11804
"When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top."
Loam Larva 81%
$0.08#18143
"When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top."
Dune Mover 81%
$0.18#10089
"When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top."
Embermouth Sentinel 81%
$0.10#13155
"When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top. If you control a Dragon, put that card onto the battlefield tapped instead."
District Guide 81%
$0.32#8341
"When this creature enters, you may search your library for a basic land card or Gate card, reveal it, put it into your hand, then shuffle."