PHNI-EN027 * Berserk Archfiend * Common * Phantom Nightmare BLMM-EN129 You can only use this

You can only use this effect of ""Vanguard of the Underground Emperor"" once per turn

Once per turn (Quick Effect): You can pay 2000 LP

If this card is Special Summoned: You can attach 1 monster from your GY to this card as material

if a "Noble Knight" card(s) you control would be destroyed by battle or card effect

PHNI-EN027 * Berserk Archfiend * Common * Phantom Nightmare BLMM-EN129 You can only use thisYou can target up to 2 face up monsters you control, including a Fiend monster; Special Summon this card from your hand, and if you do, destroy those monsters. You can only use this effect of "Berserk Archfiend" once per turn. When a monster(s) is destroyed by this card's effect: You can target face up monsters your opponent controls equal to the number destroyed; this card gains ATK equal to their combined original ATK, until the end of your next