Aurelia decks tend to go in two main directions, either a very heavy equipment-focused design or in an extra combat steps style of deck
Theres some obvious self-synergy there, but you also get an extra counter on something when you cast a non-creature spell
Selvala, Heart of the Wilds The most important resources in Magic are mana and cards, so any card that gives you an advantage in both regards becomes quite strong
Blue bars are current decks from Battle for Zendikar Standard) Yes, that's right
During your Standby Phase, if you control 3 or more WIND monsters: [acronym='the you isn't needed, only if you were to say "your opponent gains" would you need to say that, simply say "gain" instead.']Gain[/acronym] 700 Life Points.
Note that Pidgeot ex can use Jet Energy to satisfy the attack cost for Blustery Wind, which means the attachment also prepares it to attack in later turns