Eliminate the Impossible

A defensive fog for a set built around a mechanic that turns creatures into ticking threats. The -2/-0 clause does the obvious work of blunting an alpha strike, but the second sentence is the real design lever: stripping suspected off every creature your opponents control at once, undoing a status that would otherwise force through combat damage and pin down blockers. Where most damage-reduction instants ask you to guess which attacker matters, this one wipes the entire board's aggressive posture in a single beat, then hands you a Clue to rebuild card advantage from the tempo you just bought. The clever part is that -2/-0 and the suspected-removal reinforce each other: you weaken the swing and defang the status that made the swing so dangerous, so a wide attack collapses into something you can afford to block, ignore, or profitably trade against. Investigate is the tail that keeps a purely reactive spell from feeling like a pure blank when the opponent has nothing threatening: even in the quiet turns, two mana buys a card down the line. It is the kind of tightly-scoped answer that only reads as narrow if you forget how thoroughly a deck can lean on temporary stat boosts and status counters to close games.