Cybernetic Overflow [MP19-EN129] Common 001 or If "Necrovalley" is on

or If "Necrovalley" is on the field

Set: The Secret Forces Card type: Effect Monster Rarity: Super Rare Attack: 1400 Defense: 1200 Once per turn

increase the ATK of all WATER monster by 500 points and decrease the ATK of all FIRE monsters by 400 points

This card cannot be Special Summoned except by having 4 or more "Lightsworn" monsters with different names in your Graveyard

Cybernetic Overflow [MP19-EN129] Common 001 or If "Necrovalley" is onSet: 2019 Gold Sarcophagus Tin Mega Pack Card type: Normal Trap Rarity: Common Banish "Cyber Dragon(s)" with different Levels from your hand, face up field, and or GY, then destroy an equal number of cards your opponent controls. If this card on the field is destroyed by card effect: Add 1 "Cyber" Spell Trap from your Deck to your hand. You can only use each effect of "Cybernetic Overflow" once per turn.