Borborygmos Need Not Attack

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This is a Borborygmos build that doesn't require the general to attack at all.
• Tutor for lands
• Regrow lands (graveyard to hand)
• Copy ability
• Double damage
 
Mana Acceleration (15): General (1): Spells (31): Sideboard (Omitted/Cut card ideas):
1 Khalni Gem 1 Borborygmos Enraged 1 Grafted Exoskeleton 1 Armillary Sphere
1 Scaretiller   1 Illusionist's Bracers 1 Horizon Spellbomb
1 Thought Vessel Creatures (19): 1 Journeyer's Kite 1 Relic Crush
1 Unstable Obelisk 1 Wild-Field Scarecrow 1 Rings of Brighthearth 1 Bitter Feud
1 Firewild Borderpost 1 Living Twister 1 Thaumatic Compass // Spires of Orazca 1 Turntimber Sower
1 Budoka Gardener // Dokai, Weaver of Life 1 Mina and Denn, Wildborn 1 Decimate 1 Brallin, Skyshark Rider
1 Cultivate 1 Battlefield Scrounger 1 Reap the Past 1 Glint-Horn Buccaneer
1 Elvish Aberration 1 Groundskeeper 1 Wrenn and Six 1 Surly Badgersaur
1 Journey of Discovery 1 Hermit Druid 1 Broken Bond 1 Sprouting Vines
1 Kodama's Reach 1 Horizon Seeker 1 Creeping Renaissance 1 Migratory Greathorn
1 Nissa's Pilgrimage 1 Hunting Cheetah 1 Gaea's Bounty 1 Farfinder
1 Oracle of Mul Daya 1 Krosan Tusker 1 Keen Sense 1 Path of Discovery
1 Peregrination 1 Multani, Yavimaya's Avatar 1 Life from the Loam 1 Emperor's Vanguard
1 Sasaya, Orochi Ascendant // Sasaya's Essence 1 Realm Seekers 1 Nissa's Triumph 1 Dryad Greenseeker
1 Verdant Confluence 1 Tilling Treefolk 1 Nylea's Intervention 1 Abundance
  1 Yavimaya Elder 1 Planewide Celebration 1 Desperate Gambit
Lands (34): 1 Akki Lavarunner // Tok-Tok, Volcano Born 1 Praetor's Counsel 1 Dictate of the Twin Gods
1 Gruul Turf 1 Angrath's Marauders 1 Realms Uncharted 1 Furnace of Rath
1 Dormant Volcano 1 Embermaw Hellion 1 Reclaim the Wastes 1 The Flame of Keld
1 Ghost Town 1 Fiendish Duo 1 Seek the Horizon 1 Basilisk Collar
1 Guildless Commons 1 Goblin Goliath 1 Snake Umbra 1 Loxodon Warhammer
1 Jungle Basin 1 Torbran, Thane of Red Fell 1 Triumph of the Hordes 1 Rites of Spring
1 Reliquary Tower   1 Vivien Reid 1 Greenseeker
1 Terrain Generator   1 Wildest Dreams  
1 Valakut Awakening // Valakut Stoneforge   1 Curse of Bloodletting  
16 Forest   1 Fiery Emancipation  
9 Mountain   1 Gratuitous Violence  
1 Sol Ring   1 Insult // Injury  
    1 Jaya, Venerated Firemage  
    1 Overblaze  
    1 Quest for Pure Flame