Name: Blue Mana Battery
Mana Cost: {4}
Type: Artifact
Collector Number: 300
Oracle Text: {2}, {T}: Put a charge counter on Blue Mana Battery. {T}, Remove any number of charge counters from Blue Mana Battery: Add {U}, then add an additional {U} for each charge counter removed this way.
Rarity: rare
Artist: Amy Weber
Mana Cost: {4}
Type: Artifact
Collector Number: 300
Oracle Text: {2}, {T}: Put a charge counter on Blue Mana Battery. {T}, Remove any number of charge counters from Blue Mana Battery: Add {U}, then add an additional {U} for each charge counter removed this way.
Rarity: rare
Artist: Amy Weber
