Oxygen Torpedoes

Target creature you control gains hexproof until end of turn and can't be blocked this turn.
Overload {5}{u}{u} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")
"Please torpedo-san, hit the target!... dechi."
- I-58 (Goya)
"Fufu... My sniper soul is burning!... nano."
- I-19 (Iku)