Alms of the Vein

Three life each direction is a marginal drain that would never see play at full price, and the design knows it: the whole proposition rests on the discount. Cast it the honest way and you have paid three mana for a swing that Bump in the Night handles for a single black at sorcery speed. Discard it instead, pay the lone black its madness clause grants, and the six-point life swing becomes a real spell you cast off a loot, a cycler, or an aggressive hand-dumping curve. That gap between printed cost and madness cost is the entire reason it exists; the card is built to be thrown away rather than held. It belongs to a small family of madness spells priced deliberately high on the face so the alternative cost is always the line you want, converting the cost of discarding into tempo and a free trigger. The discard-to-exile step is the wrinkle worth understanding: a madness card leaves your hand into exile rather than the graveyard, and only reaches the bin afterward (off the stack once it resolves as a sorcery, or directly from exile if you decline to cast it). That detour means the card is never a discard target a graveyard engine can immediately recur, since it bypasses the yard at the moment of discard. As life-swing math it is unremarkable; as a study in pricing a card to reward what you were going to do anyway, it is a tidy engine part for any deck that treats its own hand as fuel.