Historical Rules · 1 July 2012
Rule 306.9
Official source text from the 1 July 2012 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 · 1 July 2012
Official source text from the 1 July 2012 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.)