Foundry Inspector 
Artifact Creature — Construct
$0.39 #252 0.27 9.9 years
Artifact spells you cast cost 
less to cast.
less to cast.Click a line or tag to filter
Cards similar to Foundry Inspector 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.
Voyager Quickwelder100%
$0.33↓#2713↓0.09↓1.6 years↓
"Artifact spells you cast cost less to cast."
less to cast."
Etherium Sculptor100%
$0.82↑#419↓0.2617.9 years↑
"Artifact spells you cast cost less to cast."
less to cast."
Enthusiastic Mechanaut100%
$0.29↓#1389↓0.244.5 years↓
"Artifact spells you cast cost less to cast."
less to cast."
Armor Wars92%
$0.27↓#13951↓0.00↓0.2 years↓
"Artifact spells you cast this turn cost less to cast."
less to cast."
Shuri, Wakandan Inventor90%
$0.39#6894↓0.00↓0.2 years↓
"Artifact spells you cast cost less to cast."
less to cast."
Starnheim Courser86%
$0.21↓#2918↓0.14↓5.6 years↓
"Artifact and enchantment spells you cast cost less to cast."
less to cast."
Artificer Class86%
$16.10↑#4092↓0.244.2 years↓
"The first artifact spell you cast each turn costs less to cast."
less to cast."
Urza, Lord Protector84%
$10.06↑#5843↓0.50↑3.8 years↓
"Artifact, instant, and sorcery spells you cast cost less to cast."
less to cast."
Saheeli, Filigree Master74%
$0.97↑#9651↓0.56↑3.8 years↓
"−4: You get an emblem with "Artifact creatures you control get +1/+1" and "Artifact spells you cast cost less to cast.""
less to cast.""
Cloud Key72%
$2.13↑#613↓0.2719.3 years↑
"Spells you cast of the chosen type cost less to cast."
less to cast."