I just posted an interview with Evan Ryans a few hours ago. Explains the actual gameplay mechanics and card types of Legends of Norrath:
To listen online (just click play on first song in playlist):
EQ2-Daily.com : Weekly Podcasts, Daily News about EQ2
To Download mp3 - right click save as:
FanFaire 2007 - Val Interviews Evan Ryans from SOE Denver about Legends of Norrath Details (mp3)