Historical Rules · 27 September 2013
Rule 506.3
Official source text from the 27 September 2013 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.
Historical Rules · 27 September 2013
Official source text from the 27 September 2013 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.