Eight-and-a-Half-Tails

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Pretty typical Eight-and-a-Half-Tails deck.
 
Mana Acceleration (15): General (1): Spells (21): Sideboard (Omitted/Cut card ideas):
1 Caged Sun 1 Eight-and-a-Half-Tails 1 Argentum Armor 1 Prismatic Circle
1 Coveted Jewel   1 Mask of Memory 1 Angel of Destiny
1 Dowsing Dagger // Lost Vale Creatures (28): 1 Moonsilver Spear 1 Archon of Coronation
1 Gauntlet of Power 1 Bladegriff Prototype 1 Oracle's Vault  
1 Goldvein Pick 1 Blightsteel Colossus 1 Rogue's Gloves  
1 Heraldic Banner 1 Kozilek, Butcher of Truth 1 Sword of Feast and Famine  
1 Nyx Lotus 1 Painter's Servant 1 Sword of Fire and Ice  
1 Prying Blade 1 Steel Hellkite 1 Sword of Light and Shadow  
1 Scuttlemutt 1 Volatile Rig 1 Sword of Sinew and Steel  
1 Strixhaven Stadium 1 Angelic Skirmisher 1 Temporal Aperture  
1 Sword of Hearth and Home 1 Armored Skyhunter 1 Ugin, the Spirit Dragon  
1 Sword of the Animist 1 Avenging Huntbonder 1 Weatherlight  
1 Victory Chimes 1 Blinding Angel 1 Ajani Goldmane  
1 Ugin, the Ineffable 1 Dawning Purist 1 Circle of Protection: White  
1 Cartographer's Hawk 1 Evra, Halcyon Witness 1 Lightmine Field  
  1 Goring Ceratops 1 Mastery of the Unseen  
Lands (35): 1 Halvar, God of Battle // Sword of the Realms 1 Noble Purpose  
1 Emeria, the Sky Ruin 1 Kjeldoran Royal Guard 1 Rune of Protection: White  
1 Emeria's Call // Emeria, Shattered Skyclave 1 Loxodon Lifechanter 1 Sphere of Truth  
1 Guildless Commons 1 Palisade Giant 1 Story Circle  
1 Kabira Takedown // Kabira Plateau 1 Pentarch Paladin 1 True Conviction  
1 Makindi Stampede // Makindi Mesas 1 Protector of the Crown    
1 Myriad Landscape 1 Relic Seeker    
1 Ondu Inversion // Ondu Skyruins 1 Seht's Tiger    
1 Sejiri Shelter // Sejiri Glacier 1 Serra Avatar    
1 Skyclave Cleric // Skyclave Basilica 1 Soul of Eternity    
1 Thawing Glaciers 1 Sun Titan    
1 War Room 1 Veteran Bodyguard    
1 Windbrisk Heights 1 Victory's Herald    
22 Plains 1 Weathered Bodyguards    
1 Sol Ring 1 Windbrisk Raptor