Mutant [Tribal]

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This is a 33 card sub-deck. It is added to the 68 card Main Tribal Deck. Replace the General there with Sliver Overlord.
 
Mana / Mana Accel. (6): General (1): Spells (4):
1 Overgrown Tomb 1 Sliver Overlord 1 Contagion Engine
1 Breeding Pool   1 Decree of Savagery
1 Stomping Ground Creatures (22): 1 Doubling Season
1 Flooded Grove 1 Experiment Kraj 1 Strength of the Tajuru
1 Novijen, Heart of Progress 1 Fire-Field Ogre  
1 Elvish Aberration 1 Plaxcaster Frogling  
  1 Nefashu  
  1 Singe-Mind Ogre  
  1 Twisted Abomination  
  1 Cytoplast Manipulator  
  1 Drelnoch  
  1 Helium Squirter  
  1 Mistform Mutant  
  1 Novijen Sages  
  1 Vigean Graftmage  
  1 Aquastrand Spider  
  1 Cytoplast Root-Kin  
  1 Cytospawn Shambler  
  1 Elvish Soultiller  
  1 Krosan Cloudscraper  
  1 Nantuko Vigilante  
  1 Simic Basilisk  
  1 Sporeback Troll  
  1 Wirewood Guardian  
  1 Goblin Dynamo