Professor's Letter (123/146) (League Promo) [XY: Base Set] SM41 and you control no other

and you control no other monsters: You can target 1 Fusion Monster in your Graveyard

When you take battle damage from a direct attack while this card is in your Graveyard: You can Special Summon this card from your Graveyard in face-up Attack Position

you can change 1 face-up Attack Position monster your opponent controls to face-up Defense Position

Set: Dark Revelation Volume 4 Card type: Normal Monster Rarity: Common Attack: 800 Defense: 1000 The most lovable and friendly of all the Vehicroids

Set: The Infinity Chasers Card type: Link/Effect Monster Rarity: Secret Rare Attack: 4000 3 Xyz Monsters Unaffected by other monsters' effects

Professor's Letter (123/146) (League Promo) [XY: Base Set] SM41 and you control no otherSet: XY: Base Set Type: Item Rarity: Promo