I drafted this one with friends quite a few times last year, which is why I have so many Arcane Signets, Three Visits, and Thought Vessels sitting on my desk, just waiting to be put into various decks
At the beginning of your end step, if you control seven or more lands, transform this artifact
IGN shared an interview with Magic designer Gavin Verhey which confirms this card was meant for players who might want a deck to represent all the Doctors at once
Matchups Head-to-head archetype data and sideboarding notes
Weve got a pretty good Poison-themed Darkness deck below also good for clearing the Poison challenge at Intermediate difficulty but be aware that in order to clear the knockout challenge, youll need to make sure the finishing move is from an attack, not from a tick of Poison
For example, having an Urborg, Tomb of Yawgmoth in play adds the swamp land type to all your towns, and future town cards might have basic land types as well