Black Mana Battery is a rare Artifact card from Magic: The Gathering (Fourth Edition, 4ED). Current market price: $0.66.
Rare
Fourth Edition (4ED)
{4}
Mana Value
4
Card Text
{2}, {T}: Put a charge counter on this artifact.
{T}, Remove any number of charge counters from this artifact: Add {B}, then add an additional {B} for each charge counter removed this way.
