Kopala, Warden of Waves 
Legendary Creature — Merfolk Wizard
$0.35 #4211 0.41 9.1 years
Spells your opponents cast that target a Merfolk you control cost 
more to cast.
more to cast.Abilities your opponents activate that target a Merfolk you control cost more to activate.
more to activate.Click a line or tag to filter
Cards similar to Kopala, Warden of Waves 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.
Boreal Elemental82%
$0.18↓#29307↓0.00↓7.3 years↓
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Sphinx of New Prahv82%
$0.18↓#24374↓0.337.7 years↓
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Jubilant Skybonder80%
$0.18↓#6176↓0.336.5 years↓
"Creatures you control with flying have "Spells your opponents cast that target this creature cost more to cast.""
more to cast.""
Callaphe, Beloved of the Sea76%
$0.22↓#7775↓0.13↓6.7 years↓
"Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost more to cast.""
more to cast.""
Monastery Siege76%
$0.68↑#6099↓0.25↓11.7 years↑
"• Dragons — Spells your opponents cast that target you or a permanent you control cost more to cast."
more to cast."
Icefall Regent75%
$0.42↑#13327↓0.83↑11.6 years↑
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Kasmina, Enigmatic Mentor74%
$0.23↓#6351↓0.507.5 years↓
"Spells your opponents cast that target a creature or planeswalker you control cost more to cast."
more to cast."
Syr Elenora, the Discerning74%
$0.11↓#14382↓0.27↓7.0 years↓
"Spells your opponents cast that target this card cost more to cast."
more to cast."
Esior, Wardwing Familiar73%
$0.54↑#34380.445.9 years↓
"Spells your opponents cast that target one or more commanders you control cost 
more to cast."
more to cast."
Elderwood Scion72%
$0.27↓#23834↓0.00↓14.4 years↑
"Spells your opponents cast that target this creature cost more to cast."
more to cast."+1 more matching line
Jade Guardian72%
$0.23↓#25787↓0.07↓9.1 years
"When this creature enters, put a +1/+1 counter on target Merfolk you control."
Charix, the Raging Isle72%
$0.38↑#37030.18↓6.1 years↓
"Spells your opponents cast that target this card cost more to cast."
more to cast."
Deeproot Elite71%
$0.27↓#5970↓0.388.8 years
"Whenever another Merfolk you control enters, put a +1/+1 counter on target Merfolk you control."
Pursued Whale71%
$0.22↓#16753↓0.15↓6.3 years↓
"Spells your opponents cast that target this creature cost more to cast."
more to cast."
Jade Bearer71%
$0.08↓#22827↓0.25↓8.8 years
"When this creature enters, put a +1/+1 counter on another target Merfolk you control."
Stonybrook Banneret70%
$0.66↑#3099↑0.16↓18.7 years↑
"Merfolk spells and Wizard spells you cast cost less to cast."
less to cast."
Silvergill Adept70%
$0.29↓#12893↓0.12↓19.0 years↑
"As an additional cost to cast this spell, reveal a Merfolk card from your hand or pay ."
."
Swift Warden70%
$0.17↓#21317↓0.05↓8.8 years
"When this creature enters, target Merfolk you control gains hexproof until end of turn."