Hermit Druid

Designed as innocent green card-selection, a way to dig past the chaff for a land when you needed one. The text reads like value: it filters your library toward a basic and dumps the rest into the graveyard. That dumping clause is the whole story. Build a deck with zero basic lands, point the ability at yourself, and a single activation reveals your entire library, fails to find a basic, and mills all of it into the graveyard for one green mana. From there the graveyard is the game plan: reanimate something enormous, or assemble a win condition that lives entirely in the bin. The card is a Trojan horse for one of the most efficient self-mill engines ever printed, a two-mana body whose activated ability costs a single green and one tap. The constraint that makes the rate look fair (you must run no basics, surrendering a normal manabase) is exactly the constraint a dedicated combo deck is happy to pay. That gap between intended function (find a land) and actual function (deck yourself for one mana) is why it became the namesake of a competitive combo line, and why the design has never been reprinted into a context that softens it. Few cards illustrate so cleanly how an activated ability written for the average case turns degenerate the moment a builder removes the assumption it relied on: that your deck contains a basic land to find.