Elemental [Tribal]

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This is a 39 card sub-deck. It is added to the 68 card Main Tribal Deck. Remove the 6 creatures there, and replace the general with Horde of Notions.
 
Mana / Mana Accel. (6): Creatures (26): Spells (5): Sideboard (Omitted/Cut card ideas):
1 Grove of the Guardian 1 Horde of Notions 1 Call the Skybreaker 1 Risen Sanctuary
1 Primal Beyond 1 Animar, Soul of Elements 1 Master of Waves 1 Fusion Elemental
1 Silverglade Elemental 1 Deepfire Elemental 1 Budoka Gardener 1 Root Elemental
1 Brighthearth Banneret 1 Lord of Extinction 1 Elemental Mastery 1 Rubblehulk
1 Smokebraider 1 Maelstrom Wanderer 1 Hoofprints of the Stag 1 Scorchwalker
1 Izzet Keyrune 1 AEthersnipe   1 Brine Elemental
  1 Air Servant   1 Soulbright Flamekin
  1 Mulldrifter   1 Thorn Elemental
  1 Quicksilver Elemental   1 Scourge of Geier Reach
  1 Supreme Exemplar   1 Molimo, Maro-Sorcerer
  1 Time Elemental   1 Liege of the Tangle
  1 Gaea's Revenge   1 Cloudthresher
  1 Multani, Maro-Sorcerer   1 Ivy Elemental
  1 Silvos, Rogue Elemental   1 Flamekin Harbinger
  1 Soul of the Harvest   1 Inner-Flame Igniter
  1 Thicket Elemental   1 Roil Elemental
  1 Thornling   1 Cinder Elemental
  1 Verdant Force   1 Ingot Chewer
  1 Vigor   1 Air Elemental
  1 Walker of the Grove   1 Din of the Fireherd
  1 Incandescent Soulstoke   1 Wispmare
  1 Living Inferno   1 Storm Spirit
  1 Magmatic Force   1 Sunflare Shaman
  1 Malignus   1 Windreaver
  1 Tyrant of Discord   1 Blizzard Elemental
  1 Celestial Force   1 Research // Development
      1 Wilderness Elemental
      1 Dread
      1 Purity