It's been a while, but it's time to write my favorite style of article: "Play X or be wrong."
This kind of article is really only appropriate when there's a deck that's head and shoulders above the rest of its format and there isn't a guide for the deck yet. Previous examples include Ironworks in Modern and Four-Color Rally in its Standard format.
Now? It's Simic Nexus in Historic.
After beating the Historic Simic Nexus drum just about a month ago, the deck received a brand-new toy in Discontinuity. For the folks here for the decklist:
The base-level information on why this deck is built the way it is can be found in the aforementioned write-up on Simic Nexus in Historic. There are certainly some changes to . . .