Cards like Neo Upper Energy will help accelerate your primary attackers when conditions are met and can put you leagues ahead of your opponent
There are a number of other sellers that have cropped up to imitate us (proxyqueen, pkmtg, etc), but these sellers make low quality proxies that they ship from China
Honestly, I dont really know what the borders are supposed to represent here, but the alternating sun and moon in the upper left corners look great
Calamity Storm is a more flexible option, hitting for 100 or 220 if you discard a Stadium in play, which makes it a strong follow-up or setup attack in the right deck
An equally combo heavy deck with control elements Sky Strikers can quickly and easily steal your best monsters and tribute them for their own gain
As long as it is maintained, there is also a way to increase the resources of the graveyard by dumping every turn by declaring an appropriate card