Take a look at some of white's most destructive board-sweepers through the ages to see what happens when you wrong a color with a strong sense of justice.
Alpha's first board sweepers were Armageddon, Wrath of God, and Balance, establishing white's unique mastery over the type line. Armageddon and Balance dropped out of the Core Set long ago, but Wrath of God has stuck around.
Cataclysm represents a different twist on the board sweeper. Instead of being rewarded for having zero or very few of the type of permanent being destroyed, it rewarded the mage for having exactly one of each type of permanent is listed.
Not to be outdone by an artifact, white's Akroma's Vengeance replicated the power of Nevinyrral's Disk by destroying every type (at the time) of permanent besides lands. If that wasn't enough, it even had cycling in case the white mage wasn't in the mood to judge the entire board unworthy of existence. This pattern of "blow up everything except [some category]" formula has produced many other cards-see Soulscour, Winds of Rath, and Ravnica's Hour of Reckoning.