name=Black Mana Battery
image=https://magiccards.info/scans/en/4e/316.jpg
value=2.940
rarity=R
type=Artifact
cost={4}
ability={2}, {T}: Put a charge counter on SN.;\
        {T}, Remove any number of charge counters from SN: Add {B}, then add an additional {B} for each charge counter removed this way.
timing=artifact
oracle={2}, {T}: Put a charge counter on Black Mana Battery.\n{T}, Remove any number of charge counters from Black Mana Battery: Add {B}, then add an additional {B} for each charge counter removed this way.
status=not supported: add-multiple-mana
