In multicolor decks, black typically plays a support color role offering creature removal to colors that dont have access to it like blue and green
If you choose not to cast the exiled card, it remains in exile
I myself have been buying job lots of these McDonalds Promo packs so that I can stock the singles here (as obviously these packs cannot be bought from distributors etc), each pack contains a holo and 3 non holo cards
Precons have some but efficient options to make your deck sing
Over this time, we have seen a large number of expansions that have added pocket monsters to the game, as well as new mechanics that attempt to replicate elements that have appeared in video games
Pioneer seems like the two-player format with the most potential for The Water Crystal, but even then, this is an incredibly slow combo that may not be able to keep pace with any format