The 8 mana to transform Kefka, Court Mage into Kefka, Ruler of Ruin sounds prohibitively expensive, but if it does come up youll be buried in even more cards
Decks that want this card are decks that already have better cards in their wrath slots
If not, then consider swapping out for a different Pokemon, or use Sabrina and Cyrus to force your opponent into switching their Pokemon
(Don't apply Weakness and Resistance for Benched Pokemon.) If your opponent has fewer than 3 Benched Pokemon, do the damage to each of them
Filigree Vector Filigree Vector asks that you build a very specific kind of deck, one with expendable artifacts that also cares about +1/+1 counters or charge counters
Take charge of a World Championships deck and play like a champion