Formidable Speaker {2}{G}
Creature — Elf Druid
When this creature enters, you may discard a card. If you do, search your library for a creature card, reveal it, put it into your hand, then shuffle.
{1}, {T}: Untap another target permanent.
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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.
Fissure Wizard 98%
$0.08#16688
"When this creature enters, you may discard a card. If you do, draw a card."
Immersturm Raider 98%
$0.22#16577
"When this creature enters, you may discard a card. If you do, draw a card."
Yuyan Archers 98%
$0.10#16764
"When this creature enters, you may discard a card. If you do, draw a card."
Viashino Racketeer 98%
$0.04#25922
"When this creature enters, you may discard a card. If you do, draw a card."
Discerning Peddler 98%
$0.09#18179
"When this creature enters, you may discard a card. If you do, draw a card."
Rubble Rouser 98%
$0.22#15291
"When this creature enters, you may discard a card. If you do, draw a card."
Scrapwork Mutt 98%
$0.21#13852
"When this creature enters, you may discard a card. If you do, draw a card."
Plundering Predator 98%
$0.18#24719
"When this creature enters, you may discard a card. If you do, draw a card."
Keldon Raider 98%
$0.02#25473
"When this creature enters, you may discard a card. If you do, draw a card."
Resonance Technician 96%
$0.29#25238
"When this creature enters, you may discard a card. If you do, investigate twice."
Invasion of Ergamon // Truga Cliffcharger 92%
$0.19#11915
"When this creature enters, you may discard a card. If you do, search your library for a land or battle card, reveal it, put it into your hand, then shuffle."
Rank Officer 90%
$0.14#25481
"When this creature enters, you may discard a card. If you do, create a 2/2 black Zombie creature token."