Oblivious Bookworm 

Creature — Human Wizard
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.
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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.
Dr. Eggman 96%
$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."
April O'Neil, Hacktivist 94%
$0.37#18160
"At the beginning of your end step, draw a card for each card type among spells you've cast this turn."
Laboratory Drudge 94%
$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."
Kynaios and Tiro of Meletis 93%
#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."
Jem Lightfoote, Sky Explorer 93%
$0.16#20140
"At the beginning of your end step, if you haven't cast a spell from your hand this turn, draw a card."
Imoen, Mystic Trickster 93%
$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."
Bennie Bracks, Zoologist 90%
$11.59#1807
"At the beginning of each end step, if you created a token this turn, draw a card."
Drumhunter 87%
$0.27#7901
"At the beginning of your end step, if you control a creature with power 5 or greater, you may draw a card."
Primary Research 86%
$0.18#12346
"At the beginning of your end step, if a card left your graveyard this turn, draw a card."
Marauding Looter 86%
$0.24#21005
"At the beginning of your end step, if you attacked this turn, you may draw a card. If you do, discard a card."
Master's Guidance 84%
$0.23#12023
"At the beginning of your end step, if you control a creature with power 4 or greater, draw a card."
Hunter's Talent 84%
$0.29#3540
"At the beginning of your end step, if you control a creature with power 4 or greater, draw a card."
West Wind Avatar 83%
$0.17#21407
"At the beginning of your end step, if a permanent left the battlefield under your control this turn, draw a card."
Deathreap Ritual 83%
$0.39#2024
"At the beginning of each end step, if a creature died this turn, you may draw a card."
Owlbear Shepherd 82%
$0.17#10483
"At the beginning of your end step, if creatures you control have total power 8 or greater, draw a card."