For spells that only cost one mana, Storm-Kiln Artist makes them mana-neutral , allowing you to essentially get a free spell cast while being able to turn the mana used into mana of any color
However you do it, enjoy your time in the arena
If you can get something on the stack and then follow up with an Eldrazi spell, perhaps an instant or something with flash, you can actually end up copying non-Eldrazi spells once Ulalek's ability resolves
it was, after all, meant to be a product that was aimed at the Modern format first and foremost
Bello, Bard of the Brambles is a Gruul (red-green) legend from Bloomburrow that encourages players to pack their decks with as many cheap ramp spells and expensive artifacts and enchantments as they can, in large part because of his powerful static ability: during your turn, every 4 cost of greater non-Aura enchantment and non-Equipment artifact becomes an indestructible, hasty 4/4 Elemental creature, ready to smash face
Until next time, may your decks be filled with imagination and joy
