Historical Rules · 23 April 2010
Rule 306.5c
Official source text from the 23 April 2010 Rules release
The loyalty of a planeswalker on the battlefield is equal to the number of loyalty counters on it.
Historical Rules · 23 April 2010
Official source text from the 23 April 2010 Rules release
The loyalty of a planeswalker on the battlefield is equal to the number of loyalty counters on it.