Horseshoe Crab 

Creature — Crab
$0.19 #11340 0.25 28.0 years
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Cards similar to Horseshoe Crab 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.
Locust Swarm86%
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"
: Untap this creature. Activate only once each turn."
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"Untap this creature during each other player's untap step."
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"
: Untap this creature. Activate only during your upkeep."
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"At the beginning of your upkeep, you may pay
. If you do, untap this creature."