Curse of Fiend is a Short Print Spell Card card from Yu-Gi-Oh! (Magic Ruler, MRL). Current market price: $0.11.
Short Print
Magic Ruler (MRL)
Card Text
Change the battle positions of all Attack Position monsters on the field to Defense Position and vice-versa. These positions cannot be changed during the turn this card is activated except by the effect of a Spell, Trap or Effect Monster Card. You can only activate this card during your Standby Phase.
