No, you can only discard from your hand
However, you can also take a combo route, filling your graveyard with creatures, then exiling your own graveyard with something like Bojuka Bog to chain together a huge number of triggers
All RCQ participants will receive a non-foil promo card with art by Ampreh
On one side, you had the original art, courtesy of noted gross-stuff artist Tom Baxa, and on the other side, you had Carl Critchlows cute squirrels: With this years version, you get to split the difference, as Volkan Bagas depiction features a marshy fen filled with skeletons, but the skeletons are scoring a non-zero on the cuteness scale
Highly recommend
Guesses below in the comments!