
This spell can't be countered.
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 "target" in its text to "each.")
Counterflux has 5 printings, first in Return to Ravnica (2012). EDHREC ranks it #6,055 among Commander cards. It appears most in Niv-Mizzet, Parun decks (1,676 on EDHREC). 1 public deck on TCG runs it. It has 4 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.