Regeltext

Send 1 card that mentions "Dark Time Wizard" from your Deck to the GY, except "Foolish Graverobber", then you can Special Summon 1 monster from either GY to your field. You can banish this card from your GY; Set to your field, 1 Spell/Trap that mentions "Dark Time Wizard" from your GY, except "Foolish Graverobber", or 1 Spell/Trap from your opponent's GY. You can only use each effect of "Foolish Graverobber" once per turn.