Stance Change

Once during your turn (before your attack), you may switch this Pokémon with an Aegislash in your hand. (Any cards attached to this Pokémon, damage counters, Special Conditions, turns in play, and any other effects remain on the new Pokémon.)

King's Shield

Prevent all damage done to this Pokémon by attacks during your opponent's next turn. This Pokémon can't use King's Shield during your next turn.

Generations of kings were attended by these Pokémon, which used their spectral power to manipulate and control people and Pokémon.