Onto more personal opinions, while I dont exactly like Secret Lairs all around, I think a crossover with Arcane (or League of Legends in general) isnt a terrible thing
While some land fetchers only grab basics, such as Solemn Simulacrum and Cultivate, there are enough Wood Elves and Polluted Delta and similar cards out there that will grab three colors in one land fetching ability
Since you dont need to sacrifice it on the same turn that you cast it, you can also play around effects such as Archon of Emeria with ease
*Buy Pest Infestation cards on eBay and Amazon Veyran, Voice of Duality For the Prismari (Blue/Red) enthusiasts, Veyran is the engine that makes the whole college run
12 Nin, The Pain Artist Perhaps one of the most underrated Izzet commanders in all of Magic, Nin, the Pain Artist is a Wizard capable of dealing direct damage to creatures
The Spirit Dragon is a huge flyer with an amazing enters or attacks trigger that will virtually always put a Dragon into play in this deck