While the banning of Haraza hurt everywhere, speed is still very good. While only showing up in a few Fight Nights, R/S Sockets is being refined into what appears to be a very reasonable fast aggressive deck that still gets to play Altar of Nulzaan and Sentry of Nulzaan.
Comparable Archetypes in Other Games
Hearthstone: Mech Mage
MerliniX’s R/S Sockets (Fight Night 3-0)