I did a bit of research, and I believe that right now, the top two decks in Standard (GB Delirium and UW Flash) are about as dominant as they have been over the past few years, but there isn't one deck (or card) that's dominating (or breaking) the format
Paradox Whenever you cast a spell from anywhere other than your hand, this creature deals 3 damage to any target
It will not have summoning sickness if its Incubator token entered on a previous turn, though, allowing you to transform and attack on the same turn
MAKE THE READS TO MAKE THEM BLEED Theres a tendency to think of blue permission decks as the most cerebral of Magic strategies, but I think that black discard decks are an even better fit for players who like to outwit their foes
Fathom Fleet Firebrand: Made for Limited
Glaceon EX also has some of the most beautiful artwork from the new set with several different versions