Arachne, Psionic Weaver 
Legendary Creature — Spider Human Hero
$0.30 #11300 0.81 1.1 years
Web-slinging (You may cast this spell for if you also return a tapped creature you control to its owner's hand.)
(You may cast this spell for if you also return a tapped creature you control to its owner's hand.)As Arachne enters, look at an opponent's hand, then choose a card type other than creature.
Spells of the chosen type cost 
more to cast.
more to cast.Click a line or tag to filter
Cards similar to Arachne, Psionic Weaver 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.
Spider-Man, Web-Slinger96%
$0.15↓#107580.24↓1.1 years
"Web-slinging "
"
Amazing Spider-Girl94%
$0.36↑#23479↓0.16↓0.3 years
"Web-slinging "
"
Spider-UK90%
$0.14↓#9032↑1.00↑1.1 years
"Web-slinging "
"
Scarlet Spider, Ben Reilly90%
$0.44↑#8021↑0.22↓1.1 years
"Web-slinging 
"
"
Spider-Man India86%
$0.21↓#7741↑0.53↓1.1 years
"Web-slinging "
"
Silk, Web Weaver85%
$0.33↑#7246↑0.22↓1.1 years
"Web-slinging "
"
Spider-Man, Brooklyn Visionary84%
$0.21↓#6755↑0.40↓1.1 years
"Web-slinging "
"
Spider-Sense83%
$1.02↑#2842↑0.33↓1.1 years
"Web-slinging 
"
"
Spiders-Man, Heroic Horde81%
$0.22↓#99340.00↓1.1 years
"Web-slinging 
"
"
Sphere of Resistance78%
$9.90↑#8502↑1.55↑28.3 years↑
"Spells cost more to cast."
more to cast."
Thorn of Amethyst74%
$0.60↑#6689↑1.26↑19.0 years↑
"Noncreature spells cost more to cast."
more to cast."
Glowrider74%
$1.21↑#15385↓0.93↑23.7 years↑
"Noncreature spells cost more to cast."
more to cast."
Anointed Peacekeeper74%
$0.30#18904↓0.794.1 years↑
"As this creature enters, look at an opponent's hand, then choose any card name."
+1 more matching line
Thalia, the Survivor74%
$0.20↓#17399↓0.720.0 years↓
"Noncreature spells your opponents cast cost more to cast."
more to cast."
Thalia, Guardian of Thraben72%
$0.43↑#2384↑1.08↑14.7 years↑
"Noncreature spells cost more to cast."
more to cast."
Wanderguard Sentry71%
$0.03↓#31884↓0.12↓23.0 years↑
"When this creature enters, look at target opponent's hand."
Telepathic Spies71%
$0.05↓#30603↓0.44↓27.4 years↑
"When this creature enters, look at target opponent's hand."
God-Pharaoh's Statue70%
$0.66↑#2451↑1.60↑7.5 years↑
"Spells your opponents cast cost more to cast."
more to cast."
Geist-Fueled Scarecrow70%
$0.16↓#25418↓0.53↓10.2 years↑
"Creature spells you cast cost more to cast."
more to cast."
Vryn Wingmare70%
$0.18↓#8447↑1.00↑11.3 years↑
"Noncreature spells cost more to cast."
more to cast."