The Scarlet Witch {2}{R}
Legendary Creature — Mutant Warlock Hero
Instant and sorcery spells you cast with mana value 4 or greater cost {X} less to cast, where X is The Scarlet Witch's power.
click a line to search just that ability, click more to combine them
Cards that do something similar 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.
Spectacle Mage 97%
$0.17#20523
"Instant and sorcery spells you cast with mana value 5 or greater cost {1} less to cast."
Vadrik, Astral Archmage 93%
$0.34#11429
"Instant and sorcery spells you cast cost {X} less to cast, where X is this card's power."
Font of Magic 90%
$0.41#12045
"Instant and sorcery spells you cast cost {1} less to cast for each time you've cast a commander from the command zone this game."
Melek, Reforged Researcher 90%
#11940
"The first instant or sorcery spell you cast each turn costs {3} less to cast."
Primal Amulet // Primal Wellspring 89%
$13.51#2071
"Instant and sorcery spells you cast cost {1} less to cast."
Case of the Ransacked Lab 89%
$0.48#2607
"Instant and sorcery spells you cast cost {1} less to cast."
Dirgur Focusmage // Braingeyser 89%
$0.30#10531
"Instant and sorcery spells you cast cost {1} less to cast."
Curious Homunculus // Voracious Reader 89%
$0.29#9383
"Instant and sorcery spells you cast cost {1} less to cast."
Rowan, Scholar of Sparks // Will, Scholar of Frost 89%
$2.01#11180
"Instant and sorcery spells you cast cost {1} less to cast."
Baral, Chief of Compliance 89%
$2.50#1315
"Instant and sorcery spells you cast cost {1} less to cast."