Rules Text Contains: 2, T: Put one charge counter on Blue Mana Battery.T: Add U to your mana pool and remove as many charge counters as you wish. For each charge counter removed from Blue Mana Battery, add U to your mana pool. Play this ability as an interrupt.
![Blue Mana Battery [4ED - N/A]](http://blackvaultgaming.com/cdn/shop/files/1668.jpg?v=1741225913&width=1445)