The sheer number of cards can be overwhelming
The card art is what boosts Pacifism to its place here, even if it isn't the most useful card, as the striking contrast in colors is more important
So as far as strategy goes you would want to have this card in a fighting and water type deck, but more than likely you could have a deck of either of the energy cards and just use a special energy card for the energy type you don't have since most of the energy cards required for this card need colorless energy
As these cards typically come in a clear wrapper, some collectors opt to keep them sealed to better preserve their condition and value
However, this investment in tie-in sets does come at a cost
The rise in popularity of the horror genre brought about a wave of zombie-related media, one of the most prominent of which is AMCs The Walking Dead