Red-Eyes Archfiend of Lightning (LDK2-ENJ03) - Legendary Decks II Unlimited

This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is a Normal Monster on the field, you can Normal Summon it to have it become an Effect Monster with this effect.
- Once per turn: You can destroy all face-up monsters your opponent controls with DEF lower than this card's ATK.