Red Mana Battery (REN) (#155)

Name: Red Mana Battery
Mana Cost: {4}
Type: Artifact
Collector Number: 155
Oracle Text: {2}, {T}: Put a charge counter on Red Mana Battery. {T}, Remove any number of charge counters from Red Mana Battery: Add {R}, then add an additional {R} for each charge counter removed this way.
Rarity: uncommon
Artist: Mark Tedin