Star Boy [SD4-EN006] Common Tuner/Effect Monster then destroy as many cards

then destroy as many cards in your Spell & Trap Card Zone as possible

•EARTH: During your Standby Phase: Target 1 face-up Defense Position monster you control

Face-up Field Spell Cards cannot be destroyed by effects

Set: Astral Pack 6 Card type: Normal Spell Rarity: Common Target 1 face-down monster on the field

• When an opponent's monster declares an attack: You can banish 1 "Nekroz" card from your GY and discard this card

Star Boy [SD4-EN006] Common Tuner/Effect Monster then destroy as many cardsSet: Structure Deck: Fury from the Deep Card type: Effect Monster Rarity: Common Attack: 550 Defense: 500 As long as this card remains face up on the field, increase the ATK of all WATER monster by 500 points and decrease the ATK of all FIRE monsters by 400 points.