Despite that being eight years ago, Atraxa remains one of, if not the, best legendary creatures in the game
When it deals combat damage (likely with menace) you can Raise Dead a creature if it died this turn (likely with all of the sacrifices this deck will be doing)
So knowing this about the Pokemon in this family and looking at Eelektross, I would recommend using at least a 1-1-1 line of this Pokemon family just so you can utilize Eelektross's Ability, and this line could really be used in any deck since its Ability doesn't specify the energy cards that you can move
That said, I know many people are going to be very excited about the prospect of making tapped treasure tokens every time that they win coin flips
all that you could buy for the first ever MTG set was a 60 card starter deck and a single type of booster pack
Overall, Martial Metal Marcher is one of the best combo tools of all time, and it was heavily played in some of the most meta-relevant combo decks ever created