It basically feels like casting an Opt or I guess more accurately a Serum Visions with scry 1 (as the card you "draw" is the land you make thus you draw it first which is not the case with Opt but I digress...) whenever you make one
Its pretty straightforward to use
Because of that, you can usually earn closer to full retail value, especially on expensive singles or sealed products
Martha Jones Get a clue Martha Jones is a three-mana blue 3/2 who creates a clue token when she enters the battlefield
Finally, here's a list of more generic upgrades to give your deck some more oomph: Urborg, Tomb of Yawgmoth + Cabal Coffers for amazing ramp, Badlands, Blood Crypt, Bloodstained Mire, Cavern of Souls, Graven Cairns, Smoldering Marsh, Sulfurous Springs, Strip Mine, Wasteland, Myriad Landscape Lands: Urza's Incubator, Mana Crypt, Mana Vault, Grim Monolith, Black Market, Thran Dynamo, Gilded Lotus Ramp: Toxic Deluge, Damnation, Oblivion Stone, Perilous Vault Board Wipe: Wheel of Fortune Card Draw: Yawgmoth's Will, Patriarch's Bidding Recursion: Demonic Tutor, Vampiric Tutor, Beseech the Queen, Gamble Tutor: Door of Destinies, Coat of Arms Anthem: More Lists
Certainly, ones expectations of success must be tempered by the very real constraints that now exist in the market, but for the diligent and adaptable, good specs are still plentiful