Hero card

River's Rebuke

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 River's Rebuke as the hero

Makes it work

Rapturous Moment · Hydro-Man, Fluid Felon · Belion, the Parched · Bayo, Irritable Instructor

Benefits from it

Wiccan, Rising Magician · Thousand-Year Storm

Use instead if you don't have it

Echocasting Symposium · Riverwheel Sweep · Jetsam · Travel the Overworld · Turtles in Time · Dream Harvest

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)