While I cant be certain of the latter, I can say casting Catastrophe for land, or any other Land Destruction spell, comes with huge cost and risk for the player playing it, too
All of her artwork is iconic too, whether the original, the WMC Qualifier Promo, the Secret Lairs by Magali Villeneuve and Johannes Voss, or the newer arts from VOW
Making it a difficult minion to kill
Derevi, Empyrial Tactician is a super good bird that keeps coming back for no extra mana
Mulligan hard (put back cards to draw more) for them, trying to keep a turn 1 and 2 character if you have them already
This legendary enchantment creature can work quite well with counter-amplifiers like Conclave Mentor or Hardened Scales