The Mystery Box is only obtained by sending a Pokmon to Pokmon Home or Pokmon: Lets Go, Pikachu
My favorite trick is to include it in decks with cycling lands
Finally, the newest Special Condition is being Burned, which acts much like being Poisoned but results in two Damage Counters being placed on the afflicted each turn instead of one
But for those who dont care about card lore, the Steelswarm were a group of insectoid monsters which focused on tribute summoning, by then a long-forgotten mechanic
Many hove strong abilities that generate value by creating creature tokens and/or directly helping crew more vehicles (Shorikai, Parhelion, Peacewalker, etc), draw cards, deal direct damage, accelerate your mana, and more
Whereas, the Mythical Island version can spread out its damage output and cause further problems for the opponent