Triumphant Surge

The power-4 floor is what this trades on: destruction with a size requirement, blind to the mana dork, the token swarm, and the one-drop that opened the beatdown, but lethal to whatever your opponent has committed the most to. That restriction is a different kind of hedge than white's usual ones. White's efficient answers tend to buy their power with a converted-mana ceiling, an attacking-only clause, or a delay to sorcery speed. This one is a step slower and pricier than those, and pays for the cost with reach: it fires at instant speed, does not care about toughness, and hits the reanimated finisher or the commander that has outgrown your other removal for a flat four mana regardless of how far it has scaled. It is still a targeted destroy effect, so hexproof, protection, ward, and indestructible all cut against it the way they cut against any point removal; the concession is size, not evasion. The three life is a rounding error most turns, relevant only when the game has tipped into a race, but it points the card toward stabilizing rather than pressing tempo. The result is a spell that scales to the threat rather than the clock: dead weight against a cheap, wide board, and exactly the answer you wanted when the opponent has poured everything into one large body and passed. It belongs to the long line of white removal that wants you a step behind on the board before it earns its slot, cleaning up the top of the curve while blockers and sweepers handle the bottom.