Duggan, Private Detective's last ability can be activated only once during the game
These are often one-in-a-million cards, and pricing really depends on what someone is willing to pay
I wanted a new enchantress list, and I thought hey, why not try something a little less crazy than Sigarda
That stopped being a thing pretty quickly as dorks first phased out for super powerful spells, then slowly phased back in, first with lots of utility and EtB effects and more recently with massive amouts of stats, keywords, activated, triggered and static abilities too
These methods to obtain cards can be achieved by opening booster packs, crafting cards, and completing Wonder Picks, as a feature to trade cards with other players will not be available until a later date
I'm all for this change if it gives a chance for both players to set up