{R} Reverse the Polarity (Extended Art) [Doctor Who][WHO 369]

Title
$2.50
$2.50
Out of stock
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.