If you can, kill whatever creature they cast on Turn 2, as the easiest way to lose this matchup is for them to get to play like a Delver of Secrets deck, sticking any threat and then simply beating you down while using their disruption
The card is all about predicting combat math
Arcades the Strategist or Felothar, the Steadfast can make it deal damage equal to its toughness instead of power, making it hit for 20 instead of just eight
While pull rates for these cards were relatively good (roughly one in every two booster boxes), that combined with the passage of time, nostalgia, and the original limited print run make for a collection of cards that are among the most desirable and expensive in all of the Pokemon TCG
in addition to all of this, some cards are marked with an Edition 1 symbol, meaning that the card was one of the first cards printed