The preview confirms this is WotCs plan, teasing that youll have to wait to see how we handled the other half. The idea of having such famous dungeons and lairs as Castle Greyhawk or the Tomb of Horrors as their own Magic cards is just too exciting for R&D to not have them in this set
Particularly useful if your opponent runs the same deck as you or as a counter to a pesky hand trap like Ash Blossom & Joyous Spring, this card is vital in current competitive play
That being said, some of the tools in your toolbox are worth keeping an eye out for
Those expansions are Forsaken Lore, Mountains of Madness, Strange Remnants, Under the Pyramids, Signs of Carcosa, The Dreamlands, Cities in Ruin, and Masks of Nyarlathotep
Then I outlined them with a Sharpie and numbered them
Darkness Energy cards were originally only Special Energy cards, with basic Darkness Energy added years later in 2007s Diamond & Pearl expansion