Awe for the Guilds

Most combat-clearing effects work by trade or by fog; this one works by category. Instead of shrinking a blocker or buying a turn of grace, it disqualifies every monocolored creature on the defending side from declaring as a blocker for the turn. Since the overwhelming majority of creatures are cast from a single color of mana, the typical wall of one-color bodies simply has to sit there while your team connects. The caster's own creatures are irrelevant to the restriction: cast on your turn before combat, your attackers swing regardless of their colors, and a mono-red board loses nothing for casting it. What it asks for is a defending board that happens to be monocolored, which most boards are. The sorcery speed and turn-long duration fix its role: this is an alpha-strike enabler, not a defensive trick, made for breaking a stalled board on the turn you intend to push damage through, and dead weight on the turn you are the one being attacked. The blind spot is an opponent leaning on multicolored bodies, who can block as normal; against a heavily gold board it does nothing at all. That asymmetry, wide against the default texture of creature combat and blank against one specific kind of board, is the whole bargain: a card that reads as a near-universal evasion grant until the moment it reads as a blank.