Bewildering Blizzard {4}{U}{U}
Instant
Draw three cards. Creatures your opponents control get -3/-0 until end of 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.
Timeline Inquiry 90%
$0.25#28938
"Draw three cards. Then discard a card unless this spell was cast using teamwork."
Waterbending Lesson 90%
$0.10#4765
"Draw three cards. Then discard a card unless you waterbend {2}."
Winternight Stories 90%
$1.83#6132
"Draw three cards. Then discard two cards unless you discard a creature card."
Thirst for Identity 90%
$0.21#11428
"Draw three cards. Then discard two cards unless you discard a creature card."
Mystic Meditation 90%
$0.06#25352
"Draw three cards. Then discard two cards unless you discard a creature card."
Tezzeret's Ambition 90%
$0.05#23077
"Draw three cards. If you control no artifacts, discard a card."
Thirst for Meaning 90%
$0.26#8041
"Draw three cards. Then discard two cards unless you discard an enchantment card."
Thirst for Knowledge 90%
$0.20#2049
"Draw three cards. Then discard two cards unless you discard an artifact card."
Thirst for Discovery 90%
$0.26#3677
"Draw three cards. Then discard two cards unless you discard a basic land card."
Inspired Idea 90%
$0.13#23827
"Draw three cards. [Your maximum hand size is reduced by three for the rest of the game.]"
Embrace the Paradox 90%
$0.24#11402
"Draw three cards. You may put a land card from your hand onto the battlefield tapped."
Lessons from Life 90%
$0.32#6463
"Draw three cards. You may put a land card from your hand onto the battlefield tapped."
Ideas Unbound 90%
$0.51#9786
"Draw three cards. Discard three cards at the beginning of the next end step."
Great Intelligence's Plan 90%
$0.71#6690
"Draw three cards. Then target opponent faces a villainous choice — They discard three cards, or you may cast a spell from your hand without paying its mana cost."