Black Mana Battery
{4}Artifact
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{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.
Official rulings
- Can be tapped even if it has no counters. (2004-10-04)
Cards like this
Functionally similar cards by meaning — playable in Black Mana Battery’s colours.
