Buster Sword gives the equipped creature +3/+2, making it a serious threat in combat
Using Fire Magic to clear fodder for edicts is a solid line in this archetype
Many of its cards remove points from your opponent's score, and some do this just by being played
Double-faced cards show transformations or key moments, like Kefka, Court Mage/Kefka, Ruler of Ruin, Sephiroth, Fabled SOLDIER/Sephiroth, One-Winged Angel, or Clive, Ifrits Dominant/Ifrit, Warden of Inferno
Elf decks already played the Whisperer, so you shouldnt have a problem playing both
Also returning in Set 9 are some of your favorite Glimmers from previous sets: Winnie the Pooh Honey Wizard, Tinkerbell Giant Fairy, and Stitch Rock Star