Heightened Awareness {3}{U}{U}
Enchantment
As this enchantment enters, discard your hand.
At the beginning of your draw step, draw an additional 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.
Wiretapping 86%
$0.21#15155
"Whenever you draw your first card during each of your draw steps, draw a card. Then if you have nine or more cards in hand, you may play the exiled card without paying its mana cost."
Nekusar, the Mindrazer 83%
$3.76#3676
"At the beginning of each player's draw step, that player draws an additional card."
Rites of Flourishing 83%
$0.57#1522
"At the beginning of each player's draw step, that player draws an additional card."
Kami of the Crescent Moon 83%
$7.91#1817
"At the beginning of each player's draw step, that player draws an additional card."
Spiteful Visions 83%
$0.75#2290
"At the beginning of each player's draw step, that player draws an additional card."
Dictate of Kruphix 83%
$0.35#1908
"At the beginning of each player's draw step, that player draws an additional card."
Imoen, Mystic Trickster 83%
$0.23#9723
"At the beginning of your end step, if you have the initiative, draw a card. Draw another card if you've completed a dungeon."
Laboratory Drudge 83%
$0.22#13670
"At the beginning of each end step, draw a card if you've cast a spell from a graveyard or activated an ability of a card in a graveyard this turn."
Bennie Bracks, Zoologist 82%
$11.59#1807
"At the beginning of each end step, if you created a token this turn, draw a card."
April O'Neil, Hacktivist 82%
$0.37#18160
"At the beginning of your end step, draw a card for each card type among spells you've cast this turn."
Dr. Eggman 82%
$1.46#8934
"At the beginning of your end step, draw a card. Then each opponent faces a villainous choice — That player discards a card, or you may put a Construct, Robot, or Vehicle card from your hand onto the battlefield."
Oblivious Bookworm 82%
$0.27#12654
"At the beginning of your end step, you may draw a card. If you do, discard a card unless a permanent entered the battlefield face down under your control this turn or you turned a permanent face up this turn."
Kynaios and Tiro of Meletis 81%
#7365
"At the beginning of your end step, draw a card. Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card."