Hero card

Leyline of Mutation

Enchantment

EnablerGives something to the other cards: the deck needs cards that use what it gives

Gives: Enchantment

Not in winning lists yet: read from the card text and the graph

Build a deck with Leyline of Mutation as the hero

Benefits from it

Redtooth Vanguard · Elvish Archivist · Yenna, Redtooth Regent · Victor, Valgavoth's Seneschal · Ghostly Dancers · Knight of Doves · Ashiok's Reaper · Rimefur Reindeer

Use instead if you don't have it

Encroaching Dragonstorm · Omenpath Journey · Case of the Locked Hothouse · Prismatic Undercurrents · Avatar Destiny · Loading Zone

Cards in the meta that answer it

Countersculpt (Azorius Control) · Get Lost (Azorius Control) · Inevitable Defeat (4-Color Control) · No More Lies (Azorius Control)