First the worst. Second is best.

Commander / EDH* Counters UBR (Grixis)

One_Myle

Land (36)

• 1x Agadeem, the Undercrypt  ^Flip
• 1x Blood Crypt
• 1x Bloodstained Mire
• 1x Bojuka Bog
• 1x City of Brass
• 1x Command Tower
• 1x Dragonskull Summit
• 1x Drowned Catacomb
• 1x Evolving Wilds
• 1x Exotic Orchard
• 1x Fabled Passage
• 1x Fell Mire  ^Flip
• 1x High Market
• 2x Island
• 3x Mountain
• 1x Opal Palace
• 1x Otawara, Soaring City
• 1x Phyrexian Tower
• 1x Polluted Delta
• 1x Prismatic Vista
• 1x Scalding Tarn
• 1x Shivan Reef
• 1x Soporific Springs  ^Flip
• 1x Steam Vents
• 1x Sulfur Falls
• 1x Sulfurous Springs
• 2x Swamp
• 1x Takenuma, Abandoned Mire
• 1x Underground River
• 1x Volcanic Fissure  ^Flip
• 1x Watery Grave
• 1x Xander's Lounge

Removal (3)

• 1x Duplicant
• 1x Hostage Taker
• 1x Ravenous Chupacabra

Evasion (2)

• 1x Hagra Constrictor
• 1x Pyreheart Wolf

CardAdvantage (10)

• 1x Black Market Connections
• 1x Dusk Legion Zealot
• 1x Grim Haruspex
• 1x Midnight Reaper
• 1x Phyrexian Arena
• 1x Pollywog Prodigy
• 1x Rhystic Study
• 1x River Kelpie
• 1x Skullclamp
• 1x Watcher for Tomorrow

FastMana (10)

• 1x Arcane Signet
• 1x Dimir Signet
• 1x Dockside Extortionist
• 1x Izzet Signet
• 1x Nightscape Familiar
• 1x Rakdos Signet
• 1x Sol Ring
• 1x Talisman of Creativity
• 1x Talisman of Dominance
• 1x Talisman of Indulgence

SacOutlet (8)

• 1x Ashnod's Altar
• 1x Bloodflow Connoisseur
• 1x Carrion Feeder
• 1x Goblin Bombardment
• 1x Phyrexian Altar
• 1x Viscera Seer
• 1x Warren Soultrader
• 1x Yahenni, Undying Partisan

Endgame (4)

• 1x Insurrection
• 1x Molten Primordial
• 1x Thraximundar
• 1x Wurmcoil Engine

Clone (2)

• 1x Dack's Duplicate
• 1x Spark Double

Cheating (1)

• 1x Sneak Attack

Commander (1)

InResponse (10)

• 1x Chaos Warp
• 1x Cyclonic Rift
• 1x Deflecting Swat
• 1x Fierce Guardianship
• 1x Flame of Anor
• 1x Glen Elendra Archmage
• 1x Pact of Negation
• 1x Resculpt
• 1x Shadowspear
• 1x Swan Song

DeathTriggers (5)

• 1x Anax, Hardened in the Forge
• 1x Body Launderer
• 1x Flayer of the Hatebound
• 1x Judith, the Scourge Diva
• 1x The Ozolith

Wipe (5)

• 1x Blasphemous Act
• 1x Jokulhaups
• 1x Last One Standing
• 1x Massacre Girl
• 1x Toxic Deluge

Haste (3)

• 1x Lightning Greaves
• 1x Olivia, Mobilized for War
• 1x Urabrask the Hidden

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Sideboard

Lands (7)

• 1x Bloodstained Mire
• 1x Fell Mire  ^Flip
• 1x Polluted Delta
• 1x Prismatic Vista
• 1x Scalding Tarn
• 1x Soporific Springs  ^Flip
• 1x Volcanic Fissure  ^Flip

CardAdvantage (3)

• 1x Black Market Connections
• 1x Pollywog Prodigy
• 1x Rhystic Study

SacOutlet (2)

• 1x Phyrexian Altar
• 1x Warren Soultrader

InResponse (2)

• 1x Fierce Guardianship
• 1x Flame of Anor

Endgame (1)

• 1x Insurrection

FastMana (1)

• 1x Dockside Extortionist

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Maybeboard

Lands (7)

• 1x Bad River
• 1x Crumbling Necropolis
• 1x Path of Ancestry
• 1x Rocky Tar Pit
• 1x Temple of Deceit
• 1x Temple of Epiphany
• 1x Temple of Malice

Cantrips (4)

• 1x Brainstorm
• 1x Opt
• 1x Ponder
• 1x Preordain

Protection (1)

• 1x Siren Stormtamer

CounterSynergy (1)

• 1x Unspeakable Symbol

FastMana (1)

• 1x Treasonous Ogre

InResponse (1)

• 1x Crosis's Charm

SacOutlets (1)

• 1x Woe Strider

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WHEN YOU PLAY THE GAME OF THRONES, YOU WIN OR YOUR DIE. THERE IS NO MIDDLE GROUND

Sideboard: Proxies

Top Ranked	Achieved #31 position overall 7 years ago
Date added	9 years
Last updated	4 months
Legality	This deck is not Commander / EDH legal.
Rarity (main - side)	9 - 0 Mythic Rares 53 - 13 Rares 20 - 3 Uncommons 11 - 0 Commons
Cards	100
Avg. CMC	3.19
Tokens	Bird 2/2 U, Elemental 4/4 UR, Morph 2/2 C, Satyr 1/1 R, Shapeshifter 3/2 C, Treasure, Wurm 3/3 C w/ Deathtouch, Wurm 3/3 C w/ Lifelink
Folders	$$$, Standard Decks, Cool EDH Ideas, EDH, EDH decks, Commander, Interesting Commander Decks, Merchesa, EDH Ideas, Commander Decks