Tsabo's Decree

Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.

World Championship Decks 2001

Invasion

Choose a creature type. Target player reveals his or her hand and discards all creature cards of that type from it. Then destroy all creatures of that type that player controls. They can't be regenerated.