If Molten Man leaves the battlefield before his enters triggered ability resolves, the leaves-the-battlefield triggered ability will resolve first, and you will sacrifice a land before searching your library for a Mountain
Cheap, efficient, and deadly when timed right, Ground Rift demands respect
Better yet, think how well his ability interacts with effects like PariahPariah
Beatdown Level-Up Creatures Student of Warfare is probably the most efficient beatdown level-up creature, as a 1/1 for one and a 3/3 first strike for three, while eventually ending up as a massive double-striking threat to close out the game
This is clearly the best version, and should get impressively cheap
For myself, regardless of which card style I select, when next I search Thalia in the deck builder or Collection it defaults to the Mina Harker skin regardless of which style I select