Historical Rules · 23 April 2010
Rule 306.9
Official source text from the 23 April 2010 Rules release
If a planeswalker's loyalty is 0, it's put into its owner's graveyard. (This is a state-based action. See rule 704.)
Historical Rules · 23 April 2010
Official source text from the 23 April 2010 Rules release
If a planeswalker's loyalty is 0, it's put into its owner's graveyard. (This is a state-based action. See rule 704.)