Nightmare Archfiends [CRMS-EN068] Common Ra Yellow Mega Pack it is treated as a

it is treated as a Tuner

You can banish this card from your Graveyard and send 1 "Phantom Knights" card from your hand to the Graveyard

you can remove 1 Spell Counter from your field

Set: Duel Terminal 2 Card type: Tuner Monster Rarity: Common Attack: 1000 Defense: 700 When your opponent Normal Summons or Sets a monster

Nightmare Archfiends [CRMS-EN068] Common Ra Yellow Mega Pack it is treated as aSet: Crimson Crisis Card type: Normal Trap Rarity: Common Tribute 1 monster. Special Summon 3 "Nightmare Archfiend Tokens" (Fiend Type DARK Level 6 ATK 2000 DEF 2000) to your opponent's side of the field in Attack Position. When a "Nightmare Archfiend Token" is destroyed, its controller takes 800 damage.