Infernal Harvest

A removal spell priced in land instead of mana, and the design experiment that pricing represents is more interesting than the rate it produces. The mana cost is trivial; the real cost is paid by bouncing Swamps back to your hand, which converts your developed board state into burn divided however you like across enemy creatures. That tradeoff inverts the usual scaling logic: instead of paying more mana for a bigger effect, you mortgage future turns of land to buy damage now, then have to replay those Swamps and lose tempo doing it. The card belongs to the era's attempts to use permanents already in play as a spell's fuel, back when designers were still testing whether nontraditional cost structures could substitute for mana value as a balancing lever. The verdict baked into the printing is that they mostly could not at this efficiency: returning lands is a steep enough drawback that the X it buys rarely justifies the setback, and the flexibility of dividing damage among multiple creatures does not close the gap. What makes the card worth a second look is not its power but its place in the lineage of cost experimentation: a sorcery-speed proof of concept for the idea that your manabase itself could be the resource a spell consumes.