Deepwood Elder

Color manipulation as a weapon is a rare angle, and few cards point it as directly at the opponent's mana base as this one does. The activation does not destroy or tap anything: it relabels target lands as Forests until end of turn, so a planned double-blue or double-black turn collapses into mono-green output the opponent almost certainly cannot spend. The discard stays fixed at exactly one card regardless of X; the cost is what scales, and that scaling is what keeps the ceiling honest. Want to rewrite a battlefield's worth of lands in one shot? You pay enough green to cover it, and the activation still costs a card from hand on top. The math runs the wrong direction for attrition. A one-turn color screw that wears off during the cleanup step of the same turn, bought with a card from hand, drains your resources faster than it dismantles theirs, which makes this a tempo tool wearing a denial costume: spend a real card, deny a single turn of mana. The body itself follows the era's pattern of taxing a repeatable activated ability with a discard, turning a small green creature into a recurring engine that bleeds its own hand to function. A clever piece of color manipulation whose price never quite squares with what one turn of disruption is worth.