Invisibility

Evasion as a binary clause: the enchanted creature simply can't be blocked except by Walls, with none of the conditional logic (flying, shadow, menace, skulk, horsemanship) the game later developed to scale evasion against specific board states. The Walls exception is the fingerprint of a ruleset that still treated Walls as a structural pillar of defense, with defender not yet keyworded and Walls reliably the only creatures that could block without attacking back. That assumption aged out quickly. As creature design pulled away from the Wall-as-blocker pattern and toward flash blockers, reach, and ground bodies with defender stapled onto non-Wall types, the carve-out went from meaningful hedge to near-vestigial; the enchanted creature is, for practical purposes, unblockable against most boards. The card is also a clean snapshot of how early Aura-based evasion was priced: two blue for a permanent rider that the modern game would either condense onto the creature itself or hand out for a single combat step. The two-for-one exposure to any removal that answers the Aura or the creature is the cost that kept this kind of effect off the power curve even when the rate looked aggressive on paper. What survives is the document, not the application: a record of what "unblockable" looked like before the design vocabulary for evasion existed.