Reverse the Polarity (Extended Art) (Surge Foil) [Doctor Who]

Set: Doctor Who Type: Instant Rarity: Rare Cost: {1}{U}{U} Choose one—• Counter all other spells.• Switch each creature's power and toughness until end of turn.• Creatures can't be blocked this turn. You see, before you reactivated it, I reversed the polarity of the neutron flow.