Phyrexian Gargantua

Drawing cards by paying life was Phyrexian Gargantua's whole argument before the design space got refined into one- and two-mana spells. Pitching a 4/4 body onto a Phyrexian Arena-style life-for-cards exchange, it turned a six-mana creature slot into both a blocker and a refill, the kind of midrange value engine black has always wanted from its bigger drops. The lineage here is direct: this is Phyrexian Rager scaled up, the same draw-two-lose-two trade stapled to a body big enough to matter in combat. Where Rager replaced itself with a 1/1 chump, the Gargantua front-loads two cards and presents a creature that actually stabilizes a board, and the two life it costs is the friction black pays for every card-advantage effect it gets. The design has aged into a baseline rather than a payoff: modern black draws cards for cheaper and dies less doing it, so the six-mana sticker looks heavy now. But the structure it codified, a creature whose enters-the-battlefield trigger pays its own cost in card advantage, became one of black's load-bearing templates, recurred and reanimated and blinked across two decades of value decks that wanted the body and the cards in one casting.