Syr Konrad, the Grim + Relentless Rats + Secret Salvage + Surgical Extraction

Syr Konrad, the Grim
Relentless Rats
Secret Salvage
Surgical Extraction

Requires
Syr Konrad, the Grim must be on the battlefield. Relentless Rats must be in the graveyard. Secret Salvage must be in hand. Surgical Extraction must be in hand. You have a number of copies of Relentless Rats in your library greater than your maximum hand size minus the number of cards in your hand. Mana needed: 3bp
Steps
  1. Cast Secret Salvage by paying 3, exiling Relentless Rats from your graveyard and causing you to search your library for all copies of Relentless Rats in your library and put them into your hand.
  2. Syr Konrad triggers, dealing 1 damage to each opponent.
  3. Move to your cleanup step, causing you to discard down to your maximum hand size, ensuring to discard as many copies of Relentless Rats as possible.
  4. Syr Konrad triggers for each creature card discarded this way, dealing that much damage to each opponent.
  5. During the next player's turn, cast Surgical Extraction by paying bp, exiling all copies of Relentless Rats from your graveyard.
  6. Syr Konrad triggers for each creature card exiled this way, dealing that much damage to each opponent.
Results
Near-infinite damage.

Jarad, Golgari Lich Lord
0.03% of 3870 decks 1 decks
Marrow-Gnawer
0.01% of 9006 decks 1 decks
Syr Konrad, the Grim
0.02% of 4587 decks 1 decks
Creatures
Karumonix, the Rat King
100% of 2 decks +99% synergy
Daggerfang Duo
100% of 1 decks +99% synergy
Persistent Marshstalker
100% of 1 decks +98% synergy
Valley Rotcaller
100% of 1 decks +96% synergy
Ratcatcher
67% of 3 decks +66% synergy
Pack Rat
67% of 3 decks +66% synergy
Ogre Slumlord
67% of 3 decks +65% synergy
Ashcoat of the Shadow Swarm
50% of 2 decks +49% synergy
Old Flitterfang
50% of 2 decks +49% synergy
Lord Skitter's Butcher
50% of 2 decks +49% synergy
Lord Skitter, Sewer King
50% of 2 decks +48% synergy
Pestilence Rats
33% of 3 decks +33% synergy
Swarm of Rats
33% of 3 decks +33% synergy
Gnat Miser
33% of 3 decks +33% synergy
Ink-Eyes, Servant of Oni
33% of 3 decks +32% synergy
Piper of the Swarm
33% of 3 decks +32% synergy
Ayara, First of Locthwain
33% of 3 decks +30% synergy
Gray Merchant of Asphodel
33% of 3 decks +24% synergy
Instants
Extirpate
33% of 3 decks +33% synergy
Dash Hopes
33% of 3 decks +33% synergy
Crypt Incursion
33% of 3 decks +33% synergy
Imp's Mischief
33% of 3 decks +30% synergy
Vampiric Tutor
33% of 3 decks +15% synergy
Dark Ritual
33% of 3 decks +11% synergy
Sorceries
Doubling Chant
100% of 1 decks +100% synergy
Swarmyard Massacre
100% of 1 decks +95% synergy
Echoing Return
67% of 3 decks +66% synergy
Profane Tutor
67% of 3 decks +64% synergy
Kindred Dominance
67% of 3 decks +63% synergy
Diabolic Tutor
67% of 3 decks +60% synergy
Morality Shift
33% of 3 decks +33% synergy
Plague of Vermin
33% of 3 decks +33% synergy
Haunting Voyage
33% of 3 decks +32% synergy
Patriarch's Bidding
33% of 3 decks +30% synergy
Grim Tutor
33% of 3 decks +29% synergy
Living Death
33% of 3 decks +28% synergy
Toxic Deluge
33% of 3 decks +16% synergy
Feed the Swarm
33% of 3 decks +15% synergy
Demonic Tutor
33% of 3 decks +11% synergy
Utility Artifacts
Thrumming Stone
100% of 3 decks +99% synergy
Herald's Horn
100% of 3 decks +94% synergy
Tormod's Crypt
67% of 3 decks +66% synergy
Door of Destinies
67% of 3 decks +65% synergy
Vanquisher's Banner
67% of 3 decks +63% synergy
Ecologist's Terrarium
50% of 2 decks +50% synergy
Moonsilver Key
50% of 2 decks +49% synergy
Armillary Sphere
33% of 3 decks +33% synergy
Explorer's Scope
33% of 3 decks +33% synergy
Thornbite Staff
33% of 3 decks +33% synergy
Coat of Arms
33% of 3 decks +31% synergy
Bontu's Monument
33% of 3 decks +31% synergy
Jet Medallion
33% of 3 decks +31% synergy
Whip of Erebos
33% of 3 decks +30% synergy
Sword of the Animist
33% of 3 decks +29% synergy
Lightning Greaves
33% of 3 decks +8% synergy
Swiftfoot Boots
33% of 3 decks +5% synergy
Enchantments
Bloodbond March
100% of 1 decks +100% synergy
Haunted One
50% of 2 decks +49% synergy
Grave Pact
33% of 3 decks +29% synergy
Black Market
33% of 3 decks +29% synergy
Phyrexian Arena
33% of 3 decks +19% synergy
Utility Lands
Mudflat Village
100% of 1 decks +96% synergy
Three Tree City
100% of 1 decks +90% synergy
Swarmyard
67% of 3 decks +65% synergy
Crypt of Agadeem
33% of 3 decks +32% synergy
Castle Locthwain
33% of 3 decks +28% synergy
Nykthos, Shrine to Nyx
33% of 3 decks +28% synergy
Cabal Coffers
33% of 3 decks +22% synergy
Bojuka Bog
33% of 3 decks +3% synergy
Mana Artifacts
Patchwork Banner
100% of 1 decks +89% synergy
Arcane Signet
67% of 3 decks -5% synergy
Sol Ring
67% of 3 decks -18% synergy
Skull of Ramos
33% of 3 decks +33% synergy
Charcoal Diamond
33% of 3 decks +28% synergy
Commander's Sphere
33% of 3 decks +18% synergy
Lands
Command Tower
33% of 3 decks -41% synergy