Activate 1 of these effects; • If your "Elemental HERO" monster attacks a Defense Position monster this turn, inflict piercing battle damage to your opponent. • Target cards your opponent controls, up to the number of "Elemental HERO" monsters you control; destroy those cards. • Add to your hand or Special Summon 1 "Elemental HERO" monster from your GY. • "Elemental HERO" monsters can attack directly this turn. You can only activate 1 "H.E.R.O. Flash!" per turn.