Ruby cards focus on offensive strategies, like using the Rush (able to challenge the turn the character is played) and Evasive (only allowing other Evasive ability characters to attack the character) abilities
Trance ability allows her to mill two cards at the beginning of the combat phase in order to gain flying, which means she can't be attacked except by other creatures with flying
Best Top-Tier Steel/Sapphire Deck This version of the deck may look dramatically different from the mid-cost version, but it maintains the starter deck's control andramp playstyle that allows you to win by dropping big bombs on the field turn after turn
Maybe WotC was nervous about potential leaks, since they'd have to present those Final Fantasy cards to different parties ahead of time, but whatever the reason, the whole Commander set has been revealed weeks before the main set's full spoiler
The new set will also introduce Locations, a new kind of card, to the game, adding new rules and interactions to the game