Droning Bureaucrats

The toughness, not the power, is the entire pitch. With a 1/4 frame, this can sit in front of a board all day while the tap ability does the real work: name a single mana value and every creature sharing it goes inert for the turn, attacker and blocker alike. That parameterized lockdown puts it in a different category from a Master Decoy or any single-target fog effect, since it caps a whole tier of the curve at once rather than one body. Against a homogenous aggro curve where half the threats are two-drops, one activation can neutralize the whole front line; against a removal-light combo deck whose payoff is a four-mana creature, it can pin the engine in place. The X cost scales the other direction, so locking out the bigger threats demands the mana to match, and the symmetry is genuine: your own creatures of that value are stuck too, which is why it wants to sit alongside cheap utility bodies or tokens that fall outside whatever number you call. The activation is a tap, so it answers one mana value per turn and leaves the rest of the board free, a deliberate throttle on what reads like a soft Moat. It is a control tool more than a creature, the kind of repeatable, mana-hungry stax piece that rewards a board you can read and an opponent's curve you can predict.