Embercleave

The genius is in the cost reduction, and how it inverts the usual equipment problem. Equipment has always fought a tempo tax: you pay for the object, then pay again to attach it, and if the wearer dies you are left holding an artifact with no body to carry it. This design collapses both halves into a single flash-speed swing. The printed cost is six, but a red aggressive board rarely pays anything close: four attackers already drag it down to its floor, and it enters already attached rather than sitting as a naked artifact waiting for an equip cost you cannot afford. That timing window is the whole point. Flash lets it arrive after blocks would normally have been decided, after the opponent has committed to combat math that suddenly no longer holds, and it hands its wearer double strike and trample together, so a chump block stops almost nothing and the doubled damage tramples through anyway. It is a finisher priced by the board state it rewards: dead-weight when you are behind, cheap when you are ahead, and lethal the moment it is both. The legendary tag and the minimum, which no amount of attackers can undercut, are the only brakes on a card that otherwise converts a stalled red board into a one-shot kill from an empty-looking hand.