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.
| Detail | Value |
|---|---|
| Card Type | Effect Monster |
| Attribute | DARK |
| Level | 1 |
| ATK | 0 |
| DEF | 0 |
| Race | Fiend |