Hum of the Radix 
Enchantment
$0.50 #22723 0.86 22.9 years
Each artifact spell costs 
more to cast for each artifact its controller controls.
more to cast for each artifact its controller controls.Click a line or tag to filter
Cards similar to Hum of the Radix 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.
Aura of Silence82%
$7.05↑#2174↑1.22↑29.2 years↑
"Artifact and enchantment spells your opponents cast cost more to cast."
more to cast."
Lodestone Golem79%
$0.30↓#7156↑0.74↓16.6 years↓
"Nonartifact spells cost more to cast."
more to cast."
Feroz's Ban79%
$0.36↓#213591.06↑30.9 years↑
"Creature spells cost more to cast."
more to cast."
Sphere of Resistance78%
$9.51↑#8361↑1.32↑28.2 years↑
"Spells cost more to cast."
more to cast."
Defense Grid78%
$6.62↑#1899↑1.27↑27.6 years↑
"Each spell costs 
more to cast except during its controller's turn."
more to cast except during its controller's turn."
Exiled Doomsayer75%
$0.26↓#31767↓0.32↓23.3 years
"All morph costs cost more."
more."
God-Pharaoh's Statue74%
$0.64↑#2408↑1.32↑7.3 years↓
"Spells your opponents cast cost more to cast."
more to cast."
Metal Fatigue74%
$0.06↓#31047↓0.44↓22.6 years
"Tap all artifacts."
Imi Statue74%
$0.36↓#248731.13↑21.9 years
"Players can't untap more than one artifact during their untap steps."
Damping Field74%
$7.22↑#271561.09↑32.5 years↑
"Players can't untap more than one artifact during their untap steps."
Dovin, Hand of Control73%
$0.31↓#8497↑0.827.3 years↓
"Artifact, instant, and sorcery spells your opponents cast cost more to cast."
more to cast."
Geist-Fueled Scarecrow72%
$0.10↓#252430.35↓10.1 years↓
"Creature spells you cast cost more to cast."
more to cast."
Damping Sphere72%
$0.67↑#4998↑1.12↑8.4 years↓
"Each spell a player casts costs more to cast for each other spell that player has cast this turn."
more to cast for each other spell that player has cast this turn."
Glowrider72%
$2.14↑#15092↑1.18↑23.6 years
"Noncreature spells cost more to cast."
more to cast."
Thorn of Amethyst72%
$0.56↑#6540↑1.06↑18.9 years↓
"Noncreature spells cost more to cast."
more to cast."
Academy Loremaster70%
$0.28↓#12072↑0.31↓4.0 years↓
"At the beginning of each player's draw step, that player may draw an additional card. If they do, spells they cast this turn cost more to cast."
more to cast."
Suppression Field70%
$0.61↑#13539↑1.05↑20.9 years↓
"Activated abilities cost more to activate unless they're mana abilities."
more to activate unless they're mana abilities."
Emissary of Despair70%
$0.14↓#209440.13↓22.6 years
"Whenever this creature deals combat damage to a player, that player loses 1 life for each artifact they control."
Scrapdiver Serpent70%
$0.04↓#209260.32↓15.9 years↓
"This creature can't be blocked as long as defending player controls an artifact."
Neurok Spy70%
$0.04↓#29270↓0.25↓22.9 years
"This creature can't be blocked as long as defending player controls an artifact."