This seems to be a nod to The Hanging Balloons, a short story within Junji Itos manga collection, The Face Burglar
Archenemys Charm Triple black is a nasty cost, but Archenemy's Charm warrants the challenge with its powerful abilities
When everything else in your deck cycles for one, cycling for three no longer seems like a huge upside and you never want your land to enter play tapped
Golgari Grave-Troll is so good that it's currently banned in Modern and restricted in Vintage, with Legacy as the only format you can play four copies of it
You can discard that card, and, if you have seven or more cards in your graveyard, you can transform it into the legendary land, Azcanta, the Sunken Ruin