Mathematician [RA04-EN223] Quarter Century Secret Rare TG20 Set: XY: Fates Collide Type:

Set: XY: Fates Collide Type: Colorless Rarity: Ultra Rare Retreat cost: 0

Set: Metal Raiders Card type: Effect Monster Rarity: Super Rare Attack: 2400 Defense: 2200 You can only activate this card's effect during your opponent's damage calculation

including the mighty Blue-Eyes Alternative White Dragon

you can target 1 face-up Spell/Trap your opponent controls

Mathematician [RA04-EN223] Quarter Century Secret Rare TG20 Set: XY: Fates Collide Type:Set: Quarter Century Stampede Card type: Effect Monster Rarity: Quarter Century Secret Rare 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.