So, along comes Erode, a new, cheaper white removal spell that instead grants a tapped land instead of the chance to peek at your deck and potentially strengthen a creature twice
Finally, once you have established absolute control with this massive value, the deck features win conditions including flooding the battlefield with a multitude of artifacts, including powerful creatures like Master of Etherium, Metalworker Colossus, Myr Battlesphere, artifact tokens from Thopter Spy Network, massive constructs created with Urza, and more
Archmage of Runes Archmage Emeritus is a blue staple in spellslinger decks, and shaving off a mana from instants and sorceries is also something these decks are interested in doing
Can Fliers Block Creatures Without Flying
This has a lot more to offer