Several factors influence Dragon card values: card condition (mint cards worth 3-5x more), rarity (holographic and rare cards command higher prices), first edition status, PSA/BGS grading scores, and market demand for specific Pokemon
Characters who encounter monsters have the option to sneak past them or fight them
And it can access your Blue-Eyes monsters from your Deck by sending them directly to your Graveyard, for easy revival
In designing the set, Mark Rosewater, in the article "Outlaws of the Land, Part 1," noted this: "Defining 'commit a crime' as a type of action, something many Magic cards do, rather than as a specific new mechanic, allowed us to define the term in a way that made many existing cards part of the theme." This means that we can use cards that have existed since Alpha when looking at Crime, and focus on cards that care about Crimes being committed
Originally, Walls were the only creatures that couldnt attack
This puts them in a lose-lose situation: pay an extra mana tax on all noncreature spells or let you draw free cards