Changing the Kingdom of Wyvern. The Chameleon Expansion Set adds 90 common and uncommon cards to the Kingdom, and features colorful and captivating original artwork. As you dominate your vast empire, you will want to collect all 90 Chameleon cards to strengthen your army of Dragons, enhance your Battlefield position, and increase your Treasure hoard. Be warned...both your Battlefield and your opponent's Battlefield will be constantly changing with the Chameleon Expansion Set! NEW RULES: Native Terrain & Chameleon Reaction Plus rule clarifications.