Longtusk Cub 

Creature — Cat
$0.21 #21057 0.07 10.1 years
Whenever this creature deals combat damage to a player, you get 
(two energy counters).
Pay 
: Put a +1/+1 counter on this creature.
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Cards similar to Longtusk Cub 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.
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"Whenever this creature attacks, you may pay 
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