Null Rod and even Imi Statue wanted in, but I reminded them that this was the artifact list and party poopers were not welcome
The massive card flow that people want for free in Commander and multiplayer lead them to attack each other, but not you, especially since they don't have to spend a card to get the card draw, so for them, this is free card advantage over time for each foe that attacks each other, and you'll draw more than the card it took to cast him in one or two turns
I think the extra neat part is how a few of the cave-specific payoffs like Calamitous Cave-In care about the caves you have in your graveyard as well as on the field, so its unlikely that your cave is entirely useless if youve used it to discover something
I think Urborg is an iconic Black card and tainting all lands into Swamps is a very Black-feeling thing
Art by Clint Cearley, Simon Dominic, Bill McConkey, Jason Rainville, Leonardo Santanna