Good trap cards are those that can: prevent attacks like Mirror Force, negate summons like Solemn Warning, negate spell/trap activations like Wiretap, negate effects like Breakthrough Skill or Fiendish Chain, remove monsters like Ring of Destruction or Compulsory Evacuation Device, and prevent your opponent from making plays like Vanity's Emptiness
Its basically a mono-red with three (or sometimes even four) splashes
Research recent sales data and current market values, assess the condition of your cards, and consider their rarity and demand
The game is perfect for ages 8 and up
When Edgar Markov decides to join the battle, he comes out the gates swinging, immediately attacking for 5 and buffing your Vampire army in the process -- the perfect follow-up to all the free tokens he's been adding to your army