Stronghold Biologist

A counterspell you never have to draw twice: that is the trade this fragile body offers, and it reshapes a control deck's tempo in a way a hardcast answer cannot. A one-shot counter resolves and leaves your hand; a creature that countered every turn it survived would warp any matchup where it stuck, so the design installs two valves at once. Each activation demands two blue mana and feeds on your own grip, and the target is locked to creature spells alone. Those restrictions turn what looks like a repeatable Counterspell into a soft tax on how the board develops: a permanent threatening the next creature an opponent considers casting rather than a hard answer fired once. It sits awkwardly between threat and answer. Leave it alone and it grinds out one creature spell a turn until your resources run dry; spend removal on it and you have traded a card to silence a card-for-card engine, exactly the dilemma a slow blue deck wants to impose. The hand cost is what makes the whole thing tenable, asking the pilot to weigh each interaction against both the mana and the cards it consumes, rewarding shells that can keep their grip full. This double tax, mana and cards together feeding a repeatable creature counter, captures the broader experiment of stapling instant-and-sorcery effects onto fragile bodies, distilled here into one narrow but enduring application.