What affects the value of Kefka, Court Mage // Kefka, Ruler of Ruin
Heading into Worlds, this deck will almost certainly be regarded by every player not wielding it as the deck to beat
When banished, allows you to summon a Thunder Dragon monster from your deck
Mega Starmie fits perfectly (no pun intended) into the Froslass/Munkidori archetype, and it has been proven in the Japanese formats
The archetype's Spellcaster typing, and "Soul Servant"'s top deck control effect makes it synergize well with a "Spellbook" draw engine, consisting of "Spellbook Magician of Prophecy", "Spellbook of Secrets", and "Spellbook of Knowledge"
For collector cards, pair this stop with one of the specialty shops in Ikebukuro below