Creative spell casting could be a synergy of spells. Casting grease down a hallway and then a flame-based spell to light it on fire. Brett mentions someone casting climb walls to better pick pocket an NPC. These are just a couple examples of how spell casters can get creative with their craft. How creative do you like you spell casting? Are there limits to what you allow in your games?
What makes for a good urban adventures for our fantasy games? Well, it’s a city, but how does that change the adventure? The surroundings differ, and there are other obstacles to throw at the players.