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.")
Moxie: Toolbox
» Counter Spell
» Counters
» Stopping Counters
Standard: legal, unplayed
Modern: legal, unplayed
Legacy: legal, unplayed
Commander: staple in 281 decks
Cube: 1898 @ 9.5% Pick/Pass
MTGO Cubes: Unplayed
RTR Draft: Pick (158/249)

Legacy Decks

Commander Decks

Modern Decks