Primordial Altar has been revealed from the Japanese set Paradigm Trigger, which releases in Japan on October 21st. We should see most of the cards from this set become part of our Silver Tempest in November.
Once during each player’s turn, that player may look at the top card of their deck. They may discard that card.
This Stadium stays in play when you play it. Discard it if another Stadium comes into play. If a Stadium with the same name is in play, you can’t play this card.