Inspired by Wizards' Jumpstart, I made my own version, with flashier themes and more powerful cards. It's intended to be played in the same way — grab two lists (with at least some randomization), mix them up, and go. Some combinations from events I've run include:

• Eldrazi/Warped Mirror: Produce a never-ending stream of replicas of mighty monsters fresh from the Blind Eternities!
• Infectious/Heliod: Augment your forces with Heliod's light and something much worse to compleat the game before your opponent knows it. (Possibly a preview of the next return to Theros?)
• Selesnya/Viridian Engine: Master creature and artifact tokens, and generally clutter the board to an appalling degree.
• Morph/Ornery: Confound your opponents with masked fighters, which can be scheming wizards, masteful monks, or giant slavering wurms.

And of course, there's many more. Enjoy!