I keep up-to-date by following the Arkham Horror: The Card Game blog at Fantasy Flights Games, the FFG Organized Play Facebook group, new eBay auctions, and the Arkham Horror LCG subreddit
A deck that focuses on controlling the tempo of the game and manipulating day and night cycles would benefit from using the Day Card // Night Card in Magic: the Gathering
Most Valuable Pokmon Neo Genesis Cards Lugia 9 The undisputed centerpiece of Neo Genesis is the holographic Lugia 9
Monumental Henge Monumental Henge is a slightly better Castle Ardenvale, which isnt much of a compliment considering Castle Ardenvale is on average a much worse Plains
however, with only 17 cards in each of these decks, it makes sense that each card is used, allowing players to get to know their options as they learn the abilities, strengths and weaknesses of each card