Suppression Field 
Enchantment
$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.Click a line or tag to filter
Cards similar to Suppression Field 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.
Anointed Peacekeeper90%
$0.32↓#18756↓1.004.0 years↓
"Activated abilities of sources with the chosen name cost more to activate unless they're mana abilities."
more to activate unless they're mana abilities."
Skyseer's Chariot85%
$0.18↓#17624↓0.37↓1.6 years↓
"Activated abilities of sources with the chosen name cost more to activate."
more to activate."
Disruptor Flute84%
$1.50↑#7440↑0.43↓2.2 years↓
"Activated abilities of sources with the chosen name can't be activated unless they're mana abilities."
Gloom83%
$0.41↓#24955↓0.9833.1 years↑
"Activated abilities of white enchantments cost 
more to activate."
more to activate."
Feroz's Ban82%
$0.36↓#21359↓1.0630.9 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."
Cursed Totem78%
$1.47↑#2628↑1.32↑29.9 years↑
"Activated abilities of creatures can't be activated."
Burning-Tree Shaman78%
$0.37↓#22268↓0.38↓20.6 years
"Whenever a player activates an ability that isn't a mana ability, this creature deals 1 damage to that player."
Geist-Fueled Scarecrow77%
$0.10↓#25243↓0.35↓10.1 years↓
"Creature spells you cast cost more to cast."
more to cast."
Tithe Taker74%
$0.35↓#7722↑0.62↓7.6 years↓
"During your turn, spells your opponents cast cost more to cast and abilities your opponents activate cost more to activate unless they're mana abilities."
more to cast and abilities your opponents activate cost more to activate unless they're mana abilities."
Sapphire Leech74%
$0.29↓#28281↓0.00↓25.9 years↑
"Blue spells you cast cost 
more to cast."
more to cast."
Jade Leech74%
$0.29↓#31357↓0.00↓25.9 years↑
"Green spells you cast cost 
more to cast."
more to cast."
Defense Grid73%
$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."
Pithing Needle72%
$0.40↓#6460↑0.78↓21.3 years
"Activated abilities of sources with the chosen name can't be activated unless they're mana abilities."
God-Pharaoh's Statue72%
$0.64↑#2408↑1.32↑7.3 years↓
"Spells your opponents cast cost more to cast."
more to cast."
Sorcerous Spyglass70%
$0.08↓#162420.53↓8.9 years↓
"Activated abilities of sources with the chosen name can't be activated unless they're mana abilities."
Trinisphere70%
$32.76↑#5235↑1.54↑22.6 years↑
"As long as this artifact is untapped, each spell that would cost less than three mana to cast costs three mana to cast."
Damping Matrix70%
$0.72↑#155071.25↑22.9 years↑
"Activated abilities of artifacts and creatures can't be activated unless they're mana abilities."