Rebecca Horne placed the shards of an ancient crystal believed to be the Methuselah's Stone in the care of her many students. The powers of these crystals are legendary. When brought together are said to make an immortal invincible.
This shard was owned by Henri Valjean until Luther took his head.
ERATO: This card does not count towards your Pre-Game Deck construction limit and you may include up to nine cards titled Crystal in your Pre-Game. During deck construction, you may substitute one Basic Attack with any other non-Special Attack or one Basic Block with any other Defense.