Syr Konrad, the Grim + Rat Colony + Secret Salvage + Surgical Extraction

Syr Konrad, the Grim
Rat Colony
Secret Salvage
Surgical Extraction

Requires
Syr Konrad, the Grim must be on the battlefield. Rat Colony must be in the graveyard. Secret Salvage must be in hand. Surgical Extraction must be in hand. You have a number of copies of Rat Colony in your library greater than your maximum hand size minus the number of cards in your hand. Mana needed: 3bbbp
Steps
  1. Cast Secret Salvage by paying 3bb, exiling Rat Colony from your graveyard and causing you to search your library for all copies of Rat Colony 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 Rat Colony 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 Rat Colony 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.

Top Commanders (2)
Syr Konrad, the Grim
0.05% of 4352 decks 2 decks
Marrow-Gnawer
0.01% of 8291 decks 1 decks
Creatures (19)
Tormod's Cryptkeeper
33% of 3 decks +33% synergy
Hell's Caretaker
33% of 3 decks +32% synergy
Skullsnatcher
33% of 3 decks +32% synergy
Nezumi Bone-Reader
33% of 3 decks +31% synergy
Okiba-Gang Shinobi
33% of 3 decks +31% synergy
Drainpipe Vermin
33% of 3 decks +31% synergy
Nezumi Graverobber
33% of 3 decks +30% synergy
Throat Slitter
33% of 3 decks +30% synergy
Septic Rats
33% of 3 decks +30% synergy
Swarm of Rats
33% of 3 decks +29% synergy
Ink-Eyes, Servant of Oni
33% of 3 decks +29% synergy
Ichor Rats
33% of 3 decks +28% synergy
Gnat Miser
33% of 3 decks +28% synergy
Species Specialist
33% of 3 decks +28% synergy
Pack Rat
33% of 3 decks +25% synergy
Piper of the Swarm
33% of 3 decks +23% synergy
Burglar Rat
33% of 3 decks +20% synergy
Zulaport Cutthroat
33% of 3 decks +8% synergy
Ayara, First of Locthwain
33% of 3 decks +6% synergy
Instants (12)
Extirpate
67% of 3 decks +67% synergy
One with Nothing
67% of 3 decks +67% synergy
Vampiric Tutor
67% of 3 decks +40% synergy
Dark Ritual
67% of 3 decks +2% synergy
Echoing Decay
33% of 3 decks +33% synergy
Make Obsolete
33% of 3 decks +33% synergy
Footbottom Feast
33% of 3 decks +32% synergy
Gravepurge
33% of 3 decks +30% synergy
Songs of the Damned
33% of 3 decks +28% synergy
Culling the Weak
33% of 3 decks +21% synergy
Imp's Mischief
33% of 3 decks +19% synergy
Village Rites
33% of 3 decks +8% synergy
Sorceries (12)
Echoing Return
100% of 3 decks +95% synergy
Forever Young
67% of 3 decks +64% synergy
Profane Tutor
67% of 3 decks +59% synergy
Grim Tutor
67% of 3 decks +52% synergy
Demonic Tutor
67% of 3 decks +34% synergy
Choice of Damnations
33% of 3 decks +33% synergy
Plague Wind
33% of 3 decks +32% synergy
Plague of Vermin
33% of 3 decks +30% synergy
Thoughtseize
33% of 3 decks +28% synergy
Imperial Seal
33% of 3 decks +26% synergy
Diabolic Intent
33% of 3 decks +18% synergy
Torment of Hailfire
33% of 3 decks +14% synergy
Utility Artifacts (20)
Thrumming Stone
100% of 3 decks +95% synergy
Tormod's Crypt
67% of 3 decks +66% synergy
Kormus Bell
33% of 3 decks +33% synergy
Feldon's Cane
33% of 3 decks +33% synergy
Hall of Triumph
33% of 3 decks +33% synergy
Icon of Ancestry
33% of 3 decks +32% synergy
Eldrazi Monument
33% of 3 decks +31% synergy
Thornbite Staff
33% of 3 decks +30% synergy
Door of Destinies
33% of 3 decks +30% synergy
Elixir of Immortality
33% of 3 decks +30% synergy
Mesmeric Orb
33% of 3 decks +30% synergy
Vanquisher's Banner
33% of 3 decks +28% synergy
Herald's Horn
33% of 3 decks +27% synergy
Altar of Dementia
33% of 3 decks +27% synergy
Mindcrank
33% of 3 decks +26% synergy
Wishclaw Talisman
33% of 3 decks +26% synergy
Whip of Erebos
33% of 3 decks +21% synergy
Phyrexian Altar
33% of 3 decks +21% synergy
Bontu's Monument
33% of 3 decks +5% synergy
Lightning Greaves
33% of 3 decks -0% synergy
Enchantments (6)
Grave Pact
67% of 3 decks +52% synergy
Attrition
33% of 3 decks +30% synergy
Exquisite Blood
33% of 3 decks +20% synergy
Sanguine Bond
33% of 3 decks +20% synergy
Black Market
33% of 3 decks +12% synergy
Phyrexian Arena
33% of 3 decks -3% synergy
Utility Lands (19)
Urborg, Tomb of Yawgmoth
100% of 3 decks +60% synergy
Bojuka Bog
100% of 3 decks +52% synergy
Cabal Coffers
100% of 3 decks +42% synergy
Peat Bog
67% of 3 decks +65% synergy
Crypt of Agadeem
67% of 3 decks +55% synergy
Cabal Stronghold
67% of 3 decks +25% synergy
Bonders' Enclave
33% of 3 decks +33% synergy
Everglades
33% of 3 decks +32% synergy
Scavenger Grounds
33% of 3 decks +31% synergy
Vesuva
33% of 3 decks +30% synergy
Crystal Vein
33% of 3 decks +30% synergy
Lake of the Dead
33% of 3 decks +28% synergy
Swarmyard
33% of 3 decks +27% synergy
Temple of the False God
33% of 3 decks +25% synergy
Ancient Tomb
33% of 3 decks +20% synergy
Phyrexian Tower
33% of 3 decks +13% synergy
Castle Locthwain
33% of 3 decks +10% synergy
Nykthos, Shrine to Nyx
33% of 3 decks +3% synergy
Reliquary Tower
33% of 3 decks +1% synergy
Mana Artifacts (6)
Sol Ring
100% of 3 decks +13% synergy
Jeweled Lotus
33% of 3 decks +20% synergy
Mana Crypt
33% of 3 decks +20% synergy
Caged Sun
33% of 3 decks +16% synergy
Thought Vessel
33% of 3 decks +5% synergy
Arcane Signet
33% of 3 decks -29% synergy
Lands (2)
Path of Ancestry
33% of 3 decks +27% synergy
Myriad Landscape
33% of 3 decks +2% synergy