Options (Only take effect when randomizing all)
No duplicates from previous game
At least one attack card
   At least one reaction card
No attack cards
No cards which distribute curses
At least one 'extra gain' card (e.g. +buy, workshop)
At least one 'combo' card (extra actions)

Sets
Base set (B)
Intrigue (I)
Seaside (S)
Alchemy (A) Smart
Prosperity (P)
Promo (+)