Rakdos Sacrifice, Mardu or Esper Greasefang, Angels, and Fight Rigging decks are all options you can see in viable competitive play
Anikthea makes an amazing constellation trigger because of how reliably it triggers it
If we want to spot a fake full art or maybe a fake hyper rare card (the most popular right now on ebay), the best way to find out if a card is a real or a fake, is to use that cards in your hand and try to move your fingers around the art of the card
One notable aspect of these decks is that they come with fewer cards than their North American counterparts, so it's surprising they cost more despite that
It doubles the amount of mana your Blue sources produce allowing for a more explosive turn than expected
Looks to me like tech for Arabella, Abandoned Doll or Delney, Streetwise Lookout decks to mess around with