Some of the better token producers include Automated Assembly Line and Phyrexian Ironworks to create many small tokens
As for the other reprints, there are some good inclusions, such as Living Death, Mutilate, Caged Sun, and Dread Return
I know its subjective since it depends how much I want it etc etc but I find it hard to swallow buying something significantly above last sold
On top of that, the tapping also encourages going wide, which Merfolk love to do already with tokens and low cost creatures
In fact, the whole thing is a slick enterprise, with two of the battle decks arranged in a specific order such that if you and your chum follow the instructions in your specific manuals, youll play out a game to the halfway point with every move correctly predicted and choreographed
By learning these skills, youre becoming a smarter collector