Mardu Surge with Zurgo Stormrender Tarkir: Dragonstorm brought us the most precons out of any set in the year, even though its standard set didn't include many legendary creatures
I like the difficult choice of which opponent gets the counters, especially if you have a way to remove the opposing creature after you put the counters on it
Red/Purple Law Theres absolutely no question that the Red/Purple Law deck is the deck to beat right now
It feels soldily like an equipment for decks that can cheat equip costs, or decks that otherwise dont care about equipment but want to generate a lot of mana or artifacts
That gives us bird powerhouses like Derevi, Empyrial Tactician, Falco Spara, Pactweaver, and the bird of birds, Birds of Paradise provides us with access to birds-matter staples like Soulcatchers' Aerie, Flurry of Wings, and Tawnos, the Toymaker and, of course, green brings some of the best land ramp and landfall cards, with staples like Scute Swarm and Tatyova, Benthic Druid: And that's just looking at existing cards Final Fantasy has a good chunk of new bird and landfall toys to play with