Theres no need to worry though, because were going to talk you through everything you need to know about PTCG
Each of those only have 100 copies given to the winners, with roughly 15 extra copies each floating around
Heres the thing: Land drops become increasingly more meaningless the longer the game drags on and at some point, the drawback of Oblation will be very well worth it if it means you can just return any nonland permanent to the library
Set 1: Secret Lair x Dungeons & Dragons: An Exhibition of Adventure No cards that I know of have been revealed for this set at the time of writing
So, why would you be actively trying to discard cards from your hand instead of playing them
For now, though, it's totally legal and very, very scary