Card Set: Maze of the Master

Rarity: Secret Rare

Card Type: Monster

Monster Type: Effect

Level: 1

Attribute: Dark

Type: Fiend

ATK/DEF: 0 / 0

Texto (EN): When your opponent Special Summons a monster(s) (except during the Damage Step): You can discard this card and 1 Spell; destroy that monster(s). You can only use this effect of "Singularity Fiend" once per turn.