Duel Monsters , which predates the OCG , has nine passwords, spelled with kana and used to unlock nine of the 15 secret monsters
(Also the first design I leaddesigners' first outing on a design team are no longer lead design of large sets.) The design team was myself, Richard Garfield, Mike Elliott and Charlie Catino
Life and Limb solves the problem of never having enough Saprolings to sacrifice, letting you Zuran Orb your way out of a jam
And it would also save my butt, if I was facing a major threat I needed a few turns to find an answer foe, as I could chump block for a few turns until I had time to dig up something
(As of right now, only Espeon ex, Vaporeon ex, Jolteon ex, and the previously revealed Flareon ex and Eevee ex are translated How is Espeon ex's Amethyst attack worth it