As each are particularly located outside of where the reactor itself resides, they are each are marked with a corresponding Geoglyph
It is the same problem that I see with cards like Violent Outburst or Ephemerate: They do nothing on their own
Its part of the run of Gold Star Pokmon cards that were used in 2004 to attempt to reinvigorate the trading card game and grab the interest of fans once more
Defender of Nephthys X WIND Level 2 [ SpellcasterEffect ] ATK 1400 DEF 200 During your Main Phase: You can destroy 1 card in your hand, and if you do, Special Summon 1 Level 4 or lower "Nephthys" monster from your hand, except "Defender of Nephthys"
Each of these cards is a "page" that, when put together with the other lore cards, will reveal an adventure and expand upon the story
Maybe one day WotC will invite planeswalkers as a Special Guest to a Magic event near you