Its also a solid roleplayer in green decks that want to use Green Sun's Zenith as a turn-1 mana dork or that want a cheap creature to sacrifice to Natural Order
Elspeth, Suns Champion [Best White Planeswalker for Board Control] Elspeth, Suns Champion does exactly what white wants in a long game: stabilize the board and start taking it over
This is also a popular commander for the Shadowborn Apostle decks, given that you have access to helpful cards that touch white like Immortal Servitude and Edgewalker
(And as Aaron described in his column two weeks ago, Legendary Rules Changes, R&D also realized it was a perfect time to revamp the legend mechanic.) Once legends, or should I say legendary creatures, became part of the block's theme, all the designers started thinking about how to add some new wrinkles to the age old mechanic
Oh look, its one of them there energy ritual cards