Syr Konrad, the Grim + Rat Colony + Secret Salvage + Tormod's Crypt

Syr Konrad, the Grim
Rat Colony
Secret Salvage
Tormod's Crypt

Requires
Syr Konrad, the Grim must be on the battlefield. Rat Colony must be in the graveyard. Secret Salvage must be in hand. Tormod's Crypt must be on the battlefield. 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: 3bb
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. Activate Tormod's Crypt by tapping and sacrificing it, exiling 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
Karumonix, the Rat King
0.04% of 4656 decks 2 decks
Creatures (34)
Warehouse Tabby
100% of 2 decks +99% synergy
Gnawing Vermin
100% of 2 decks +96% synergy
Twisted Sewer-Witch
100% of 2 decks +95% synergy
Voracious Vermin
100% of 2 decks +93% synergy
Lord Skitter's Butcher
100% of 2 decks +93% synergy
Tangled Colony
100% of 2 decks +93% synergy
Lord Skitter, Sewer King
100% of 2 decks +86% synergy
Ruin Rat
50% of 4 decks +48% synergy
Relentless Rats
50% of 4 decks +48% synergy
Ravenous Rats
50% of 4 decks +47% synergy
Septic Rats
50% of 4 decks +47% synergy
Rancid Rats
50% of 4 decks +46% synergy
Old Flitterfang
50% of 2 decks +46% synergy
Ichor Rats
50% of 4 decks +45% synergy
Changeling Outcast
50% of 4 decks +45% synergy
Ratcatcher
50% of 4 decks +44% synergy
Stronghold Rats
50% of 4 decks +44% synergy
Chittering Witch
50% of 4 decks +44% synergy
Ashcoat of the Shadow Swarm
50% of 2 decks +44% synergy
Pack Rat
50% of 4 decks +42% synergy
Piper of the Swarm
50% of 4 decks +40% synergy
Burglar Rat
50% of 4 decks +37% synergy
Ogre Slumlord
50% of 4 decks +37% synergy
Sheoldred, the Apocalypse
50% of 2 decks +33% synergy
Ayara, First of Locthwain
50% of 4 decks +23% synergy
Tormod's Cryptkeeper
25% of 4 decks +25% synergy
Thriving Rats
25% of 4 decks +25% synergy
Gutter Skulk
25% of 4 decks +25% synergy
Locust Miser
25% of 4 decks +21% synergy
Swarm of Rats
25% of 4 decks +21% synergy
Marrow-Gnawer
25% of 4 decks +21% synergy
Gnat Miser
25% of 4 decks +20% synergy
Typhoid Rats
25% of 4 decks +20% synergy
Magus of the Coffers
25% of 4 decks +15% synergy
Instants (16)
Anoint with Affliction
100% of 2 decks +99% synergy
Rat Out
100% of 2 decks +97% synergy
Bitter Triumph
100% of 1 decks +78% synergy
Extirpate
50% of 4 decks +50% synergy
One with Nothing
50% of 4 decks +50% synergy
Surgical Extraction
50% of 4 decks +50% synergy
Foul-Tongue Shriek
50% of 4 decks +47% synergy
Tragic Slip
50% of 4 decks +30% synergy
Vampiric Tutor
50% of 4 decks +23% synergy
Defile
50% of 4 decks +8% synergy
Echoing Decay
25% of 4 decks +25% synergy
Footbottom Feast
25% of 4 decks +24% synergy
Songs of the Damned
25% of 4 decks +19% synergy
Culling the Weak
25% of 4 decks +13% synergy
Imp's Mischief
25% of 4 decks +10% synergy
Dark Ritual
25% of 4 decks -39% synergy
Sorceries (17)
Phyresis Outbreak
100% of 2 decks +96% synergy
Infectious Inquiry
100% of 2 decks +93% synergy
Forever Young
50% of 4 decks +47% synergy
Gruesome Fate
50% of 4 decks +47% synergy
Plague of Vermin
50% of 4 decks +46% synergy
Crippling Fear
50% of 4 decks +45% synergy
Echoing Return
50% of 4 decks +45% synergy
Profane Tutor
50% of 4 decks +43% synergy
Peer into the Abyss
50% of 4 decks +35% synergy
Grim Tutor
50% of 4 decks +35% synergy
Demonic Tutor
50% of 4 decks +17% synergy
Choice of Damnations
25% of 4 decks +25% synergy
Caress of Phyrexia
25% of 4 decks +24% synergy
Thoughtseize
25% of 4 decks +20% synergy
Imperial Seal
25% of 4 decks +17% synergy
Diabolic Intent
25% of 4 decks +10% synergy
Reanimate
25% of 4 decks -6% synergy
Utility Artifacts (16)
Nim Deathmantle
50% of 4 decks +46% synergy
Thrumming Stone
50% of 4 decks +45% synergy
Phyrexian Altar
50% of 4 decks +38% synergy
Ashnod's Altar
50% of 4 decks +31% synergy
Sword of the Paruns
25% of 4 decks +24% synergy
Feldon's Cane
25% of 4 decks +24% synergy
Umbral Mantle
25% of 4 decks +24% synergy
Grafted Exoskeleton
25% of 4 decks +24% synergy
Staff of Domination
25% of 4 decks +23% synergy
Thornbite Staff
25% of 4 decks +22% synergy
Mesmeric Orb
25% of 4 decks +21% synergy
Vanquisher's Banner
25% of 4 decks +19% synergy
Altar of Dementia
25% of 4 decks +18% synergy
Mindcrank
25% of 4 decks +18% synergy
Wishclaw Talisman
25% of 4 decks +18% synergy
Jet Medallion
25% of 4 decks -15% synergy
Enchantments (6)
Necrogen Communion
100% of 2 decks +96% synergy
Screams from Within
50% of 4 decks +50% synergy
Lord Skitter's Blessing
50% of 2 decks +48% synergy
Underworld Dreams
50% of 4 decks +41% synergy
Cover of Darkness
25% of 4 decks +23% synergy
Grave Pact
25% of 4 decks +11% synergy
Utility Lands (20)
Bojuka Bog
75% of 4 decks +27% synergy
Peat Bog
50% of 4 decks +48% synergy
The Black Gate
50% of 2 decks +45% synergy
Mortuary Mire
50% of 4 decks +36% synergy
Witch's Cottage
50% of 4 decks +25% synergy
Urborg, Tomb of Yawgmoth
50% of 4 decks +10% synergy
Cabal Stronghold
50% of 4 decks +8% synergy
Cabal Coffers
50% of 4 decks -8% synergy
Access Tunnel
25% of 4 decks +22% synergy
Crystal Vein
25% of 4 decks +22% synergy
Lake of the Dead
25% of 4 decks +19% synergy
Swarmyard
25% of 4 decks +18% synergy
Temple of the False God
25% of 4 decks +17% synergy
Shizo, Death's Storehouse
25% of 4 decks +16% synergy
Crypt of Agadeem
25% of 4 decks +14% synergy
Ancient Tomb
25% of 4 decks +12% synergy
Rogue's Passage
25% of 4 decks +10% synergy
Phyrexian Tower
25% of 4 decks +5% synergy
Nykthos, Shrine to Nyx
25% of 4 decks -5% synergy
Reliquary Tower
25% of 4 decks -7% synergy
Mana Artifacts (6)
Sol Ring
50% of 4 decks -37% synergy
Gauntlet of Power
25% of 4 decks +20% synergy
Jeweled Lotus
25% of 4 decks +12% synergy
Mana Crypt
25% of 4 decks +12% synergy
Thought Vessel
25% of 4 decks -3% synergy
Arcane Signet
25% of 4 decks -37% synergy
Lands (5)
Command Tower
50% of 4 decks +46% synergy
Path of Ancestry
50% of 4 decks +44% synergy
Myriad Landscape
50% of 4 decks +19% synergy
Evolving Wilds
25% of 4 decks +22% synergy
Cavern of Souls
25% of 4 decks +19% synergy