As with any other archetype, players are going to gravitate towards the most powerful version of a deck, so something akin to Edgar was bound to exist eventually
Introduces 2 foil + 15 nonfoil MTG cards not found in the main set
If you are budget conscious, then might I suggest picking up the vastly more affordable, though slightly slower, Mirage fetchlands
Pokmon TCG may occasionally make headlines for the rare cards that can sell for tens of millions of dollars, but theres still a strong community that is in it for the love of the characters, collecting, and the game itself
There are only a couple of cards purely for life gain that are viable and they are all reuseable effects, most come bolted onto an already good card to make it even better value