Landcyclers in LOTR Limited Lord of the Rings Limited is in an interesting state
But the crown jewel of Roaring Skies isn't Dragon type, but colorless: Shaymin EX is easily the most used card to come out of the XY era, likely due to its ability to keep your hand full just by coming out onto the field
Paying one mana to reorder the top three cards of your library, and then tapping it to draw a card is amazing with a Commander that cares about what the top card of your library is
I mean, sure, its only five mana more and returns to your hand when it blocks, but at least Zephyr Spirit gets one more point of toughness
7 Survey The Battlefield Building a deck and studying the intricacies of the available cards is crucial, however, if one does not understand how the battlefield works, all this background information will be for naught