It has the same effect as using the other versions of this card
Instead of being stuck with a bunch of a wildcards of the wrong rarity, you could use the currency from dusting to get the cards that you want, no matter the rarity
We already seem to have covered the best of Flashback, but surely there's some other mechanics we can dig into
By 1995 Wizards of the Coast understood that limited play was as important as constructed, so they made sure to fill Ice Age with some reprints, some functional reprints, and some "fixed versions" of older card types
Nightmare makes it rather easy, and just being able to fulfill the requirements for other Starship cards is pretty damn solid and will turn on this card as a whole
The money sticks out of the space slightly for easy access but does a fantastic job keeping it in place, yet less noticeable than competitors