The most Common cards are represented by a grey circle, while rarer cards feature metallic bronze, silver and gold shapes, up to the bright rainbow icon used on Enchanted cards
Kind of wish it possibly allowed you to swarm a bit, just so beatdown was more viable, because as of right now, its going to be hard to do that
There are a number of Counter +2000 cards such as "OP12-032 Nekomamushi" that also have the attribute
Because the player is usually prevented from Special Summoning (and thus has little use for an Extra Deck), it benefits from generic cads like "Pot of Duality", "Pot of Prosperity", "Dogmatika Punishment", "The Monarchs Stormforth", "Tribute Burial", and floodgates, whose costs are of little issue
Remember Walking Sponge next time you have to pick a creature type and it doesnt matter what you choose
They perpetually gain storm