These cards can come from any YuGiOh set.
If you were considering a Dark World deck, you now basically have almost everything you need for it (I chose to use to go with one, at least for awhile)
Footage of the game shows battles against an opponent where each player has a selection of Digimon, represented by cards, on the field
C Common Limited Limited Terraforming X SPELL Add 1 Field Spell from your Deck to your hand
Traveling is all about long walks, beautiful places, good company, and tasty food
While many outlets likely reported out of ignorance, the end result is the same: hype, confusion, and possibly bad actors attempting to artificially inflate the market.