Roseanne's Research (125/132) [Diamond & Pearl: Secret Wonders] XY43 you can Special Summon this

you can Special Summon this card in Attack Position

Set: Structure Deck: Cyberse Link Card type: Spirit/Effect Monster Rarity: Common Attack: 400 Defense: 200 Cannot be Special Summoned

all monsters currently on the field lose ATK and DEF equal to their own Level/Rank x 300

Set: 2004 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 1600 Defense: 1000 If you have 1 or less cards in your hand

Set: Shadows in Valhalla Card type: Normal Trap Rarity: Super Rare If you control no Ritual Monsters: Banish 1 Ritual Spell Card from your hand or GY

Roseanne's Research (125/132) [Diamond & Pearl: Secret Wonders] XY43 you can Special Summon thisSet: Diamond & Pearl: Secret Wonders Type: Supporter Rarity: Uncommon