Arcades Defender Clone

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The theme is Defenders, where I run a decent number of Clone effects. The idea is I can run less of the (bad) Defender creatures if I run copy creature effects, and stick to the better Defenders.
I may still yet cut more Defender creatures for more Clone effects; I still have some dubious Defender creatures in there.
 
Mana Acceleration (12): General (1): Non-Defenders (23): Sideboard (Omitted/Cut card ideas):
1 Golden Guardian // Gold-Forge Garrison 1 Arcades, the Strategist 1 Helm of the Host 1 Wall of Mulch
1 Wild-Field Scarecrow   1 Aura Shards 1 Minion Reflector
1 Sanctum Plowbeast Defenders (28): 1 Moritte of the Frost 1 Carven Caryatid
1 Tidewater Minion 1 Amaranthine Wall 1 Progenitor Mimic 1 Wall of Blossoms
1 Axebane Guardian 1 Colossus of Akros 1 Spitting Image 1 Wall of Omens
1 Gatecreeper Vine 1 Crashing Drawbridge 1 Clever Impersonator 1 Wall of Pine Needles
1 Overgrown Battlement 1 Junktroller 1 Clone Legion 1 Traproot Kami
1 Sylvan Caryatid 1 Living Wall 1 Followed Footsteps 1 Wall of Ice
1 Ulvenwald Captive // Ulvenwald Abomination 1 Necropolis 1 Meishin, the Mind Cage 1 Slagwurm Armor
1 Vine Trellis 1 Jungle Barrier 1 Mercurial Pretender 1 Guardians of Meletis
1 Wall of Roots 1 Scuttlegator 1 Phyrexian Metamorph 1 Hover Barrier
1 Sunscape Familiar 1 Wall of Denial 1 Rite of Replication 1 Fortified Rampart
  1 Doorkeeper 1 Saheeli's Artistry 1 Sunweb
Lands (36): 1 Glacial Wall 1 Sakashima of a Thousand Faces 1 Shifting Wall
1 Tundra 1 Grozoth 1 Sakashima the Impostor 1 Guardian of the Ages
1 Savannah 1 Secret Door 1 Spark Double 1 Mobile Fort
1 Tropical Island 1 Wall of Frost 1 Stolen Identity 1 Walking Wall
1 Hallowed Fountain 1 Wall of Kelp 1 Vesuvan Doppelganger  
1 Temple Garden 1 Wall of Stolen Identity 1 Vesuvan Shapeshifter  
1 Breeding Pool 1 Portcullis Vine 1 Bramble Sovereign  
1 Azorius Chancery 1 Tree of Redemption 1 Tower Defense  
1 Selesnya Sanctuary 1 Wall of Brambles 1 Bar the Door  
1 Simic Growth Chamber 1 Dazzling Ramparts 1 Solidarity  
1 Seaside Citadel 1 Jeskai Barricade    
1 Alchemist's Refuge 1 Perimeter Captain    
1 Bala Ged Recovery // Bala Ged Sanctuary 1 Soulsworn Jury    
1 Beyeen Veil // Beyeen Coast 1 Stalwart Shield-Bearers    
1 Command Tower 1 Teyo, the Shieldmage    
1 Glasspool Mimic // Glasspool Shore 1 Wall of Faith    
1 Krosan Verge 1 Wall of Nets    
1 Littjara Mirrorlake 1 Wall of Reverence    
1 Makindi Stampede // Makindi Mesas      
1 Mosswort Bridge      
1 Ondu Inversion // Ondu Skyruins      
1 Path of Ancestry      
1 Sejiri Shelter // Sejiri Glacier      
1 Windbrisk Heights      
1 Winding Canyons      
4 Island      
4 Forest      
3 Plains      
1 Sol Ring