By removing highly expensive cards like Diablo from the mix, you can save a ton of money
This will essentially protect his allies from one of the most conventional forms of damage and eventual banishment, being challenged by an opposing character
Also, characters have the ability to move to other your other locations if you have them in play as long as you pay the cost to move to that specific location
Bonus sheets from previous sets sometimes have a unifying mechanical theme (in Outlaws of Thunder Junction , for example, all the cards from the Breaking News bonus sheet could commit a crime), but there's no specific mechanical thread connecting these Through the Ages cards
Still, if you're only playing with pre-constructed starter decks, it's a pretty consistent winner
Next, you will want something for transportation