Mathematician [SDCL-EN017] Common Legendary Dragon Decks Set: Spirit Warriors Card type:

Set: Spirit Warriors Card type: Normal Trap Rarity: Super Rare When a Spell/Trap Card that is already face-up on your opponent's field activates its effect: Destroy that card

Set: Legendary Duelists: Ancient Millennium Card type: Continuous Trap Rarity: Super Rare Once per turn

You can only use this effect of "Shiranui Spectralsword" once per turn

face-up in your Spell & Trap Card Zone as a Continuous Spell Card

while this monster is on the field: Destroy all monsters in the Main Monster Zones

Mathematician [SDCL-EN017] Common Legendary Dragon Decks Set: Spirit Warriors Card type:Set: Structure Deck: Cyberse Link Card type: Effect Monster Rarity: Common Attack: 1500 Defense: 500 When this card is Normal Summoned: You can send 1 Level 4 or lower monster from your Deck to the GY. When this card is destroyed by battle and sent to the GY: You can draw 1 card.