"One of the main things I always tell people is that not every card is worth grading even if it is something like a First Edition Base Set card," Garcia said
The aforementioned "Night Train Blue Traveler" also acts as a one card starter for the deck, being able to search for "Revolving Switchyard", which in turn searches for "Heavy Armored Knight Babeldecker", who after being summoned can be used as material for "Clockwork Knight", then re-summoned by "Blue Traveler" alongside itself, allowing for the two of them to make "Superdreadnought Rail Cannon Flying Launcher" - which can search for any "Ancient Gear" card and grant an additional Normal Summon so it can be played, as well as grant the option to destroy up to two Spell/Traps on either field and rank up into "Superdreadnought Rail Cannon Juggernaut Liebe"
How do I assess the value of my Pokmon cards
It's also a great inclusion in decks that want to force foes to draw cards
In that format, it can be oppressive because its naturally cheap and can stop blockers from doing their work, or it can just get ahead on value when paired with strong ETB effects