Mercadian Block

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Everything is from Mercadian block.
There is no 5-color identity Legendary Creature from Mercadian block, so I punted and use Harvest Mage (since it references "any color" at least).
If someone ever were to balk at it (no one ever does), I would go off-theme and use Sliver Queen.
 
Mana Acceleration (8): General (1): Spells (28): Sideboard (Omitted/Cut card ideas):
1 Eye of Ramos 1 Harvest Mage 1 Bargaining Table 1 Overlaid Terrain
1 Heart of Ramos   1 Kyren Archive 1 Puffer Extract
1 Horn of Ramos Creatures (27): 1 Magistrate's Scepter 1 Charisma
1 Skull of Ramos 1 Avatar of Woe 1 Monkey Cage 1 Soothsaying
1 Tooth of Ramos 1 Cateran Overlord 1 Predator, Flagship  
1 Kyren Toy 1 Delraich 1 Well of Discovery  
1 Silverglade Elemental 1 Rathi Assassin 1 Black Market  
1 Skyshroud Claim 1 Thrashing Wumpus 1 Death Pit Offering  
  1 Volrath the Fallen 1 Intimidation  
Lands (36): 1 Aerial Caravan 1 Midnight Ritual  
1 Fountain of Cho 1 Alexi, Zephyr Mage 1 Plague Wind  
1 Mercadian Bazaar 1 Avatar of Will 1 Coastal Piracy  
1 Rushwood Grove 1 Chameleon Spirit 1 Heightened Awareness  
1 Saprazzan Cove 1 Stronghold Biologist 1 Misdirection  
1 Subterranean Hangar 1 Stronghold Machinist 1 Rhystic Study  
1 Hickory Woodlot 1 Tidal Kraken 1 War Tax  
1 Peat Bog 1 Avatar of Might 1 Collective Unconscious  
1 Remote Farm 1 Dawnstrider 1 Desert Twister  
1 Sandstone Needle 1 Rhox 1 Snake Pit  
1 Saprazzan Skerry 1 Avatar of Fury 1 Vitalizing Wind  
1 High Market 1 Cinder Elemental 1 Kyren Negotiations  
1 Henge of Ramos 1 Flowstone Overseer 1 Searing Wind  
1 Tower of the Magistrate 1 Laccolith Titan 1 War Cadence  
1 Kor Haven 1 Latulla, Keldon Overseer 1 Armistice  
4 Swamp 1 Two-Headed Dragon 1 Blessed Wind  
5 Island 1 Avatar of Hope 1 Mirror Strike  
5 Forest 1 Blinding Angel 1 Noble Purpose  
4 Mountain 1 Devout Witness 1 Story Circle  
4 Plains 1 Jhovall Queen    
  1 Reveille Squad