Because all of the Meteorites and Treasure tokens you make will double their generated mana, Roxanne is perfect for quickly playing massive creatures like Ulamog, the Ceaseless Hunger or Etali, Primal Conqueror
Heres a breakdown of the most important new cards in this deck: Faldorn, Dread Wolf Herald is the face commander for this precon, and the green/red equivalent to Prosper, Tome-Bound
Then you look at cards like Pitiless Plunderer, Vengeful Bloodwitch, Mirkwood Bats, Peregrin Took, Chatterfang, Squirrel General
Unlike the former, it also gains ATK for every Dragon on the board and in the Graveyards, which can lead to sky-high ATK
Much like Sphere Mode or the Kaiju, Super Polymerization is likely to happen
Of course, it's also worth mentioning the disadvantages: Many players claim that the feeling of the cards is lost - it's impossible to feel the texture, and the size of the cards is bigger