Roiling Horror
A body that scales with the gap between your life total and your opponent's, grafted onto a suspend payoff that does the scaling for you. The suspend cost (which can never be zero) sets a clock during which every removed time counter drains a player for one and pads your own life total. That drain is the engine that grows the creature: each tick widens the gap between your life and your opponent's, and since the body equals exactly that gap, the Horror arrives sized by the very life-swing you spent the suspend duration creating. Pay X equal to five, drain across five upkeeps, and you have moved ten points of life differential before the thing ever attacks, then it lands with haste swinging for that margin. The two halves are the same math read twice. The catch is built into the same mechanism that powers it: the body is glass. Power and toughness recalculate continuously, so a single life-gain spell from the opponent, a fog that buys a turn to stabilize, or your own life loss can shrink the Horror to nothing mid-combat or kill it outright in play. The stat line is a live variable rather than a printed number, and the suspend shell exists specifically to manipulate that variable in your favor before the body matters: a creature whose size is something you negotiate over several turns rather than read off the card.
