Singularity Fiend is a Secret Rare Effect Monster card from Yu-Gi-Oh! (Maze of the Master, MZTM). Current market price: $0.38.
Secret Rare
Maze of the Master (MZTM)
Card Text
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.
