Salt Vampire 

Creature — Vampire Shapeshifter
Lifelink
When this creature enters, look at target opponent's hand. You may choose a nonland card from it. If you do, that player exiles that card, then draws a card.
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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.
Deep-Cavern Bat 100%
$0.51#7906
"When this creature enters, look at target opponent's hand. You may exile a nonland card from it until this creature leaves the battlefield."
Elite Spellbinder 99%
$0.24#15466
"When this creature enters, look at target opponent's hand. You may exile a nonland card from it. For as long as that card remains exiled, its owner may play it. A spell cast this way costs {2} more to cast."