Red-Eyes Archfiend of Lightning #LDK2-ENJ03

DarkMonster

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.