Byway Barterer 
Creature — Raccoon Rogue
$0.31 #11534 0.21 2.1 years
Menace
Whenever you expend 4, you may discard your hand. If you do, draw two cards. (You expend 4 as you spend your fourth total mana to cast spells during a turn.)
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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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"
, 
, Discard your hand: Draw a card for each creature you control."
, , Discard your hand: Draw a card for each creature you control."