So far, most of what I've said can apply to any creature land, but there are a few reasons that we ought to be particularly excited about Lumbering Falls
This is a game designed to vacuum up money in ways that can feel a bit uncomfortable
In case you missed it, Aryel's access to the Vigilance keyword allows her to attack, play defense, and also make use of her activated abilities each and every turn
Considering the cost reduction can reduce any commander tax built up Ghalta, you can reliably cast the 12/12 for very little mana in EDH, assuming you keep creatures on board
The Treasure token in the Chasing Adventure drop is a ring from the Sonic series, and in these games, the player drops rings when damaged
Minas Morgul Cabal Coffers ($39.01) What better place than Minas Morgul to represent a card that generates obscene amounts of black mana