HeiHei is the best card in the Might and Magic dec k, returning to hand each time the Dreamborn is banished
Sidisi, Undead Vizier While it isnt the most efficient way to tutor up cards in black, Sidisi, Undead Vizier is one of the additional ways mono-black decks can find consistency for combos
I've had a browse through what's on offer, and here are three sealed products that I would recommend grabbing if you're in the US, and in the mood to expand your collection
Dread Presence is merely okay in Mono-Black, since it wont even start triggering until you play your fifth land, and Mono-Black isnt even close to being a deck right now regardless
at the store I visited, there was an entire display dedicated to GIR apparel, and there were multiple GIR-themed accessories like socks and bags sprinkled throughout the store as well