Green Mana Battery (German) - "GruneManabatterie" [Renaissance] SV91 you can remove all Black

you can remove all Black Feather Counter on this card to have 1 face-up monster your opponent controls lose 700 ATK for each Black Feather Counter

you must Tribute 1 Dragon-Type monster on your side of the field

Set: The Secret Forces Card type: Continuous Trap Rarity: Super Rare Negate all other Trap Card effects on the field

if you link Summon a "Prank-Kids" Link Monster (except during the Damage Step): You can have all monsters your opponent controls lose 500 ATK (even if this card leaves the field)

all the major players in the battle over the World Legacies have gathered

Green Mana Battery (German) - "GruneManabatterie" [Renaissance] SV91 you can remove all BlackSet: Renaissance Type: Artifact Rarity: Uncommon Cost: {4} {2}, {T}: Put a charge counter on Green Mana Battery. {T}, Remove any number of charge counters from Green Mana Battery: Add {G}, then add an additional {G} for each charge counter removed this way.