Blue Mana Battery
35393661-2c53-46f0-bb33-2390d552b060
$0.65 CND
{2}, {T}: Put a charge counter on Blue Mana Battery.
{T}, Remove any number of charge counters from Blue Mana Battery: Add {U} to your mana pool, then add an additional {U} to your mana pool for each charge counter removed this way.