The passionate action-oriented monks of the Jeskai, the Whispers using Temur magic, Nagas in the Sultai as protectors (and avengers) of the jungle, Mardu military prowess including supporting roles (and that dragons can come in many shapes and sizes!), and Abzan clerics regrowing the lost kin trees. One criticism of some recent Magic sets has been an overreliance on tropes or thematic gimmicks, even while revisiting previous planes, which makes Dragonstorm standout in its comparatively straightforward return to Tarkir
(2013-04-15) When a fused split spell resolves, follow the instructions of the left half first, then the instructions on the right half
And all the other players at the table see that that player can now ramp into something bigger, making them pull ahead early on and drawing focus
1 Skemfar Avenger
Whirler Rogue , Nadir Kraken , Wavesifter , and Serene Sleuth do help the theme, but there are more potent Clue cards out there