Historical Rules · 18 June 2010
Rule 306.8
Official source text from the 18 June 2010 Rules release
Damage dealt to a planeswalker results in that many loyalty counters being removed from it.
Historical Rules · 18 June 2010
Official source text from the 18 June 2010 Rules release
Damage dealt to a planeswalker results in that many loyalty counters being removed from it.