Fluxcharger | Magic: The Gathering
Formats Fluxcharger is Legal in
Official Oracle Text for Fluxcharger
Whenever you cast an instant or sorcery spell, you may switch Fluxcharger's power and toughness until end of turn.
Official Rulings for Fluxcharger
4/15/2013 : Switching a creature's power and toughness twice (or any even number of times) effectively returns the creature to the power and toughness it had before any switches.