Counterflux can't be countered by spells or abilities.
Counter target spell you don't control.
Overload {1}{U}{U}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

• Number: 153
• Rarity: R
• Type: Instant
• Mana cost: UUR
• Color: Multicolor
• Artist: Scott M. Fischer