Magus of the Coffers can pay two and tap itself to produce black mana equal to the number of swamps you control (which is just Cabal Coffers , so we've got that in as well)
Well, I dont remember seeing something like this in all my years playing the game and let me tell you that this is completely broken
If your opponent controls a monster that was Special Summoned from the Extra Deck, and you do not, you can also use up to 6 monsters in your Deck as Fusion Materials
On the side of good, we got Ethan's Ho-Oh ex, Cynthia's Garchomp ex, Steven's Metagross ex, and Marnie's Grimmsnarl ex, and to oppose them, we got Team Rocket's Mewtwo ex, Team Rocket's Moltres ex, Team Rocket's Crobat ex, Team Rocket's Nidoking ex, and Team Rocket's Persian ex