Goblin Anarchomancer Goblin Anarchomancer gives you a pretty charged-up Goblin Electromancer, effectively reducing all green and red spells by 1 mana, and RG spells by 2
Other than that this subtheme is mostly just a cute nod to the videogame and not something you can go all-in building around
The fact that it is a single use card also makes it a better card design, it will not slow down games overly and it will provoke more difficult choices
Assuming no interference whatsoever, you're looking at winning the game 9 turns after you drop this bad boy onto the table
Additionally, at the start of your upkeep, if you control 20 or more Artifacts, you win the game
More recently, Junji Ito had his own Secret Lair with his unique black and white takes on some classic cards, and Elesh Norn from All Will Be One