If you control no other creatures, equip Shuko to Nadu twice to fish for more lands, or a land and a one-drop creature to continue the combo
If you want to look at the big picture, you can check out this spreadsheet with the names, prices and printings of these cards
Quick note: Youd still have to pay the two life to have shock lands enter untapped, as their ETB condition still applies
They get far better with ramp spells like Nature's Lore, Explosive Vegetation, and Harrow that many green decks play anyway
The Vanish mechanic launched with some confusion over its wording, and still now I struggle to see how to use it effectively, which I reckon puts it firmly in TCG Sicko territory
Second, the precarious position presented by Dusknoir allows you to play mind games with your opponent