Mark is a fine writer, but I'm going to diverge from his column on this one point and will be sticking with Asmora
Moria Scavenger A rummager with haste is something graveyard decks are happy to play, especially when it comes with a friend
A single winning coin toss usually produces enough material to keep the ability going on future turns, and Treasure's a pretty good reward in and of itself
Instant ramp: Growth Spiral, Harrow, Omen of the Hunt, etc, Sorcery ramp: Into the North, Cultivate, Natures Lore, etc
But you have to admit that it is incredibly cool, so theres some room there for it to be somewhat good
One of the most exciting parts about deciding to sell your Magic: The Gathering cards is that you never know what you're going to find