name: Green Mana Battery
originalText: o2, oc\nT: Put one charge counter on Green Mana Battery.\noc\nT: Add o\nG to your mana pool and remove as many charge counters as you wish. For each charge counter removed from Green Mana Battery, add o\nG to your mana pool. Play this ability as an interrupt.
printings: 4BB, 4ED, LEG, REN
text: {2}, {T}: Put a charge counter on this artifact.\n{T}, Remove any number of charge counters from this artifact: Add {G}, then add an additional {G} for each charge counter removed this way.
type: Artifact