If you control no monsters in your Main Monster Zones: Target 1 Set Spell/Trap on the field; destroy it, then, if you have 3 or more Spells in your GY, you can destroy 1 monster on the field.
Near Mint Unlimited - $0.90
Lightly Played Unlimited - $0.80
Moderately Played Unlimited - $0.70
Played Unlimited - $0.60
Near Mint 1st Edition - $1.10
Lightly Played 1st Edition - $1.00
Moderately Played 1st Edition - $0.90
Played 1st Edition - $0.70