Mathematician (Blue) [DLCS-EN025] Ultra Rare Gold Series 2008 Set: Breakers of Shadow Card

Set: Breakers of Shadow Card type: Normal Trap Rarity: Ultra Rare When an opponent's monster declares an attack: Change all Attack Position monsters your opponent controls to face-down Defense Position

and has its ATK decreased by 300 points

Set: Duel Terminal 3 Card type: Effect Monster Rarity: Common Attack: 1000 Defense: 1800 If the only monster you control is "Worm Xex"

Set: Star Pack VRAINS Card type: Field Spell Rarity: Common When this card is activated: You can add 1 "Trickstar" monster from your Deck to your hand

follow its card text as if you had used it yourself

Mathematician (Blue) [DLCS-EN025] Ultra Rare Gold Series 2008 Set: Breakers of Shadow CardSet: Dragons of Legend: The Complete Series Card type: Effect Monster Rarity: Ultra Rare 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.