Black Mana Battery
a81f7a0f-183f-438b-b252-738d8d30c245
$1.00 CND
{2}, {T}: Put a charge counter on Black Mana Battery.
{T}, Remove any number of charge counters from Black Mana Battery: Add {B} to your mana pool, then add an additional {B} to your mana pool for each charge counter removed this way.