T'Challa, Kenetic King

Lifelink
Whenever T'Challa, Kenetic King would be dealt damage for the first time each turn, prevent that
damage and get {e} (an energy counter).
Whenever T'Challa, Kenetic King attacks, you
may remove all energy counters from yourself.
If you do other creatures get -X/-X until end of
turn, where X is the number of energy counters
you removed this way.