Renaissance

White Mana Battery

{2}, {T}: Put a charge counter on White Mana Battery.
{T}, Remove any number of charge counters from White Mana Battery: Add {W}, then add an additional {W} for each charge counter removed this way.

Fourth Edition Foreign Black Border

Fourth Edition

o2, oc
T: Put one charge counter on White Mana Battery.
oc
T: Add o
W to your mana pool and remove as many charge counters as you wish. For each charge counter removed from White Mana Battery, add o
W to your mana pool. Play this ability as an interrupt.

Legends

o2oc
T: Put one counter on White Mana Battery.
oc
T: Add o
W to your mana pool. Remove as many counters as you wish. For each counter removed add o
W to your mana pool. This ability is played as an interrupt.