A couple great Mana fixing cheap options for this one are Pillar of the Paruns and Obsidian Obelisk, which both tap for one of any color only for a multicolor spell
There is a channel called Command Quarters dedicated to budget builds and built this jelly Boi on a sub $30 budget. This was back when the set first dropped. So if you didn't see any videos of Omnath on a budget, or if your definition of budget is
