Mannichi, the Fevered Dream uit Betrayers of Kamigawa

{1}{R}: Switch each creature's power and toughness until end of turn.

"Early in his reign, Konda fell ill. His head burned with fever, and he saw visions of his future. In them, he saw a spirit-child, and, in that child's eyes, a way to make his empire last forever." —The History of Kamigawa