Although the rules may seem complicated at first, they are actually quite simple in practice once players get the hang of it
And what truly makes Bazaar nuts is when it is combined with decks that want you to put useful things in your graveyard, and can easily fetch and use those previously-discarded cards
I tried, a lot , to make Reverse Engineer work in Standard when it was legal and was always disappointed
Flashback is simple, with great gameplay and a huge design space
However, the actual cards have the ID of 2/C1 meaning the second card in the 1st Challenge set
Bonus points if the cards are relevant in multiple formats, such as Standard, Pioneer, Modern, Legacy and Commander, as this will help maintain long-term value