Breakthrough 
Sorcery
$0.22 #10124 0.36 24.7 years
Draw four cards, then choose X cards in your hand and discard the rest.
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Cards similar to Breakthrough 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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"Draw four cards, then discard two cards."
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"Draw four cards, then discard two cards."
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"Draw X cards, then discard a card."
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"Draw two cards, then discard two cards."
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"Draw three cards. If you control no artifacts, discard a card."
Galvanic Giant // Storm Reading75%
$0.23↑#12526↓0.383.1 years↓
"Draw four cards, then discard two cards."
Control of the Court74%
$0.41↑#18955↓0.4427.5 years↑
"Draw four cards, then discard three cards at random."
Goblin Lore74%
$0.72↑#14735↓0.07↓28.3 years↑
"Draw four cards, then discard three cards at random."
Spellbook Seeker // Careful Study73%
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"Draw two cards, then discard two cards."
Bazaar Trademage73%
$0.15↓#23781↓0.24↓7.4 years↓
"When this creature enters, draw two cards, then discard three cards."
Bellowing Crier73%
$0.19↓#90700.00↓2.2 years↓
"When this creature enters, draw a card, then discard a card."
Merfolk Traders73%
$0.12↓#28346↓0.13↓29.4 years↑
"When this creature enters, draw a card, then discard a card."
Elite Instructor73%
$0.05↓#26141↓0.00↓6.7 years↓
"When this creature enters, draw a card, then discard a card."
Vodalian Merchant73%
$0.22#29354↓0.00↓26.0 years↑
"When this creature enters, draw a card, then discard a card."
Tidings72%
$0.29↑#16946↓0.00↓27.3 years↑
"Draw four cards."
Brilliant Spectrum72%
$0.05↓#26450↓0.00↓11.0 years↓
"Draw X cards, where X is the number of colors of mana spent to cast this spell. Then discard two cards."
Flow of Knowledge72%
$0.26↑#3612↑0.17↓3.9 years↓
"Draw a card for each Island you control, then discard two cards."
Sphinx of Lost Truths72%
$0.74↑#19698↓0.00↓17.0 years↓
"When this creature enters, draw three cards. Then if it wasn't kicked, discard three cards."
Quicksilver Fisher72%
$0.06↓#21810↓0.00↓3.7 years↓
"When this creature enters, draw a card, then discard a card."
Sky-Eel School72%
$0.07↓#27190↓0.25↓16.1 years↓
"When this creature enters, draw a card, then discard a card."