Hero card

Rise of the Dark Realms

Sorcery

SpellUsed once: what it does depends on when you cast it

Needs: Big Mana

Gives: Spells

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

Build a deck with Rise of the Dark Realms as the hero

Makes it work

Death to Our Enemies · They Went This Way · Bayo, Irritable Instructor · Electro, Assaulting Battery · Analyze the Pollen · Ancient Adamantoise · Brass's Bounty

Benefits from it

Forum Necroscribe · Witherbloom, the Balancer

Use instead if you don't have it

Dream Harvest · Improvisation Capstone · Turtles in Time · Travel the Overworld · Jetsam · Behold the Sinister Six!

Cards in the meta that answer it

Countersculpt (Azorius Control) · Inevitable Defeat (4-Color Control) · No More Lies (Azorius Control) · We Say Thee Nay! (Dimir Aggro)