Some of the most valuable first edition Yu-Gi-Oh cards include the legendary Blue-Eyes White Dragon and Dark Magician, which are not only powerful in gameplay but also coveted by collectors
Rocket Arrow Express has 5000 ATK, surpassing almost anything else in the game without some form of Status Buff, but it cannot be Normal Summoned, it must be Special Summoned while you control no cards, you cannot activate cards or effects or even Set any cards, you can't attack the turn you summon it, it has no form of innate protection and 0 DEF, and during each of your Standby Phases you have to destroy it unless you send your entire hand to the Graveyard
Most "D/D" cards offer a way to either prevent their damage, negate their effects, remove the "Dark Contract" cards from the field, or even gain LP to compensate for the damage taken
In the very black heavy builds this is decent
Its a card that you actively want to discard, and the life loss is trivial