Tezzeret's Ambition 


Sorcery
Draw three cards. If you control no artifacts, discard a 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.
Thirst for Knowledge 100%
$0.20#2049
"Draw three cards. Then discard two cards unless you discard an artifact card."
Timeline Inquiry 100%
$0.25#28938
"Draw three cards. Then discard a card unless this spell was cast using teamwork."
Thirst for Meaning 100%
$0.26#8041
"Draw three cards. Then discard two cards unless you discard an enchantment card."
Winternight Stories 100%
$1.83#6132
"Draw three cards. Then discard two cards unless you discard a creature card."
Thirst for Identity 100%
$0.21#11428
"Draw three cards. Then discard two cards unless you discard a creature card."
Mystic Meditation 100%
$0.06#25352
"Draw three cards. Then discard two cards unless you discard a creature card."
Thirst for Discovery 99%
$0.26#3677
"Draw three cards. Then discard two cards unless you discard a basic land card."
Waterbending Lesson 99%
$0.10#4765
"Draw three cards. Then discard a card unless you waterbend {2}."
Ideas Unbound 99%
$0.51#9786
"Draw three cards. Discard three cards at the beginning of the next end step."
Embrace the Paradox 99%
$0.24#11402
"Draw three cards. You may put a land card from your hand onto the battlefield tapped."
Lessons from Life 99%
$0.32#6463
"Draw three cards. You may put a land card from your hand onto the battlefield tapped."
Inspired Idea 99%
$0.13#23827
"Draw three cards. [Your maximum hand size is reduced by three for the rest of the game.]"
Rhystic Scrying 99%
$0.19#27436
"Draw three cards. Then if any player pays {2}, discard three cards."