Historical Rules · 1 October 2012
Rule 506.3
Official source text from the 1 October 2012 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.
Historical Rules · 1 October 2012
Official source text from the 1 October 2012 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.