Mutant Tribal

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Goofy tribal Mutants deck.
Tribal stuff (Door of Destinies, etc.)
A few cards that interact with +1/+1 counters (synergy with General and some of the Mutants)
Changelings
 
Mana Acceleration (12): General (1): Spells (21): Sideboard (Omitted/Cut card ideas):
1 Caged Sun 1 Experiment Kraj 1 Argentum Armor 1 Ring of Evos Isle
1 Unstable Obelisk   1 Contagion Engine 1 Ring of Kalonia
1 Urza's Incubator Creatures (30): 1 Cryptic Gateway 1 Vigean Hydropon
1 Hadana's Climb // Winged Temple of Orazca 1 Adaptive Automaton 1 Door of Destinies 1 Simic Initiate
1 Cultivate 1 Metallic Mimic 1 Evolution Vat 1 Biomass Mutation
1 Hunting Wilds 1 Altered Ego 1 Heirloom Blade  
1 Kodama's Reach 1 Elusive Krasis 1 Obelisk of Urd  
1 Mana Reflection 1 Plaxcaster Frogling 1 Riptide Replicator  
1 Ranger's Path 1 Cloudfin Raptor 1 Vanquisher's Banner  
1 Skyshroud Claim 1 Cytoplast Manipulator 1 Spitting Image  
1 Elvish Aberration 1 Drelnoch 1 Call to the Kindred  
1 Zendikar Resurgent 1 Glintwing Invoker 1 Distant Melody  
  1 Helium Squirter 1 Inexorable Tide  
Lands (36): 1 Keeper of Keys 1 Kindred Discovery  
1 Tropical Island 1 Mistform Mutant 1 Death's Presence  
1 Breeding Pool 1 Novijen Sages 1 Doubling Season  
1 Flooded Grove 1 Raven Guild Master 1 Hardened Scales  
1 Hinterland Harbor 1 Shapesharer 1 Kindred Summons  
1 Command Tower 1 Simic Manipulator 1 Relic Crush  
1 Gaea's Cradle 1 Vigean Graftmage 1 Strength of the Tajuru  
1 Llanowar Reborn 1 Warped Researcher 1 Tribal Unity  
1 Minamo, School at Water's Edge 1 Aquastrand Spider    
1 Mosswort Bridge 1 Chameleon Colossus    
1 Novijen, Heart of Progress 1 Cytoplast Root-Kin    
1 Nykthos, Shrine to Nyx 1 Cytospawn Shambler    
1 Opal Palace 1 Elvish Soultiller    
1 Oran-Rief, the Vastwood 1 Krosan Cloudscraper    
9 Island 1 Nantuko Vigilante    
13 Forest 1 Renegade Krasis    
1 Sol Ring 1 Simic Basilisk    
  1 Sporeback Troll    
  1 Stonewood Invoker    
  1 Wirewood Guardian