Bloodthirst

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Click here for my EDH Commander decks
 
Bloodthirst theme deck. Not really a good (on theme) general for this, so I just picked Karrthus because it has haste and flying (and more likely to activate Bloodthirst if I need it).
Bloodthirst creatures
Ways to ping the opponent
Add/double counters
Remove counters to do things
Whenever opponent is dealt damage...
 
Mana Acceleration (12): General (1): Spells (18): Sideboard (Omitted/Cut card ideas):
1 Golgari Locket 1 Karrthus, Tyrant of Jund 1 Animation Module 1 Battering Wurm
1 Gruul Locket   1 Decimate 1 Sword of Truth and Justice
1 Rakdos Locket Creatures (33): 1 Theater of Horrors 1 Renegade Krasis
1 Cultivate 1 Walking Ballista 1 Violent Ultimatum 1 Kalonian Hydra
1 Fertilid 1 Apocalypse Hydra 1 Dead Revels 1 Winding Constrictor
1 Gyre Sage 1 Burning-Tree Bloodscale 1 Drill Bit 1 Reyhan, Last of the Abzan
1 Khalni Heart Expedition 1 Cryptborn Horror 1 Feast on the Fallen 1 Corpsejack Menace
1 Kodama's Reach 1 Deathbringer Thoctar 1 Death's Presence 1 Contagion Clasp
1 Map the Wastes 1 Hackrobat 1 Elemental Bond 1 Contagion Engine
1 Ordeal of Nylea 1 Rafter Demon 1 Chandra, Torch of Defiance 1 Retribution of the Ancients
1 Rishkar, Peema Renegade 1 Rakdos, Lord of Riots 1 Furious Assault 1 Hardened Scales
1 Zendikar Resurgent 1 Scab-Clan Mauler 1 Ion Storm 1 Primal Vigor
  1 Skarrgan Skybreaker 1 Leyline of Lightning 1 Doubling Season
Lands (36): 1 Vial Smasher the Fierce 1 Light Up the Stage 1 Ooze Flux
1 Badlands 1 Blade Juggler 1 Sarkhan's Unsealing 1 Oracle's Vault
1 Taiga 1 Bloodlord of Vaasgoth 1 Skewer the Critics 1 Gristleback
1 Bayou 1 Bloodrage Vampire 1 Vance's Blasting Cannons 1 Korozda Gorgon
1 Blood Crypt 1 Fathom Fleet Cutthroat 1 Volt Charge 1 Duskhunter Bat
1 Stomping Ground 1 Gutterbones   1 Skarrgan Pit-Skulk
1 Overgrown Tomb 1 Necropolis Regent   1 Bogardan Lancer
1 Savage Lands 1 Savage Gorger   1 Lurking Crocodile
1 Command Tower 1 Spawn of Mayhem   1 Blood Ogre
1 Gaea's Cradle 1 Vampire Outcasts   1 Bloodscale Prowler
1 Karn's Bastion 1 Carnage Wurm    
1 Mosswort Bridge 1 Ghor-Clan Savage    
1 Path of Ancestry 1 Petrified Wood-Kin    
1 Reflecting Pool 1 Furyborn Hellkite    
1 Spinerock Knoll 1 Gorehorn Minotaurs    
5 Swamp 1 Knollspine Dragon    
8 Forest 1 Neheb, the Eternal    
8 Mountain 1 Rabble-Rouser    
1 Sol Ring 1 Rix Maadi Reveler    
  1 Spikewheel Acrobat    
  1 Skarrgan Firebird    
  1 Stormblood Berserker    
  1 War Elemental