Ask a Magic Judge — Do generic mana cost reducing abilities reduce...
Jonathan Medina on Twitter: "@MTGCritic Instant and sorcery spells you cast cost {2} less to cast. Whenever you cast an instant or sorcery spell, you lose 2 life." / Twitter
o:"cost {1} less" r:uncommon · Scryfall Magic: The Gathering Search
Font of Magic [Commander Legends: Battle for Baldur's Gate]
t:creature o:"you cast cost {1} less to cast." · Scryfall Magic: The Gathering Search
Rowan, Scholar of Sparks // Will, Scholar of Frost // Moxfield — An mtg deck builder site for Magic: the Gathering®
Kaza, Roil Chaser // Moxfield — An mtg deck builder site for Magic: the Gathering®
Battlefield Thaumaturge [Journey into Nyx]
t:creature o:"you cast cost {1} less to cast." · Scryfall Magic: The Gathering Search