River Song turns opponents' library manipulation against them — every time an opponent scries, surveils, or searches their library, she grows larger and deals direct damage equal to her power. The deck accelerates this engine by forcing opponents to search their libraries through land destruction spells that offer a basic land fetch in return, effects that let opponents search for creatures or lands, and Psychogenic Probe, which punishes every shuffle. The primary win condition is a near-infinite damage loop using Radiant Performer to copy River Song's triggered ability across every opponent simultaneously after forcing a search, while proliferate effects and +1/+1 counter synergies steadily increase the damage output between combo attempts.

River Song decklist

• Talisman of Creativity
• Training Center
• Field of Ruin
• Ghost Quarter
• Tomb Trawler
• Radiant Performer
• Krenko's Buzzcrusher
• Geomancer's Gambit
• Volatile Fault
• Magmatic Hellkite
• Spell Crumple
• Slip Out the Back
• Experimental Augury
• Izzet Charm
• Propaganda
• Psychogenic Probe
• Clout of the Dominus
• Eyes Everywhere
• Command Tower
• Arcane Signet
• Hithlain Rope
• Izzet Signet
• Arcane Denial
• Negate
• Pongify
• Cleansing Wildfire
• Noble Benefactor
• Avengers Disassembled
• Price of Freedom
• Sandworm
• Boldwyr Heavyweights
• Adaptive Training Post
• Alania, Divergent Storm
• Turn Aside
• Echo, Perceptive Prodigy
• An Offer You Can't Refuse
• Rootha, Mercurial Artist
• Barkform Harvester
• Archmage Emeritus
• Opt
• Junktroller
• Expressive Iteration
• Preordain
• Hired Giant
• Vandalblast
• Chaos Warp
• Rapid Hybridization
• Blasphemous Act
• Storm's Wrath
• Aetherize
• Shore Up
• Demolition Field
• Ingenious Mastery
• Flux Channeler
• Sonic Screwdriver
• Serum Visions
• Frostboil Snarl
• Stormcarved Coast
• Super Intelligence
• Sulfur Falls
• Frantic Search
• Tezzeret's Gambit
• Shivan Reef
• Curiosity
• Contentious Plan
• Peter Parker's Camera
• Gogo, Master of Mimicry
• 13× Island
• Counterspell
• Neera, Wild Mage
• Chrome Companion
• Fevered Visions
• Fin Fang Foom
• 13× Mountain
• Sol Ring