paradox rift pokemon card list price Xatu - SV04: [HOLO] Garchomp ex Paradox Rift - Card Chill

Reprints and the full decklist can be found in the Polygon article

the standard Legendary variant is only around $5 !

While "Hero's Downfall" can destroy a creature or Planeswalker card

Delver of Secrets was routinely outclassed and instilled too many deckbuilding restrictions for too little reward

( Unhinged was the release promo.) Also, as creatures have gotten better, I was told that the card had room to do more at four mana

If your starting deck follows that rule, then the creature can serve as your chosen companion." The Wiki goes on to explain how you can only have one companion in a game, it starts outside the game, and counts towards your sideboard size (i.e., in Constructed play it is one of the fifteen cards in your sideboard)