Historical Rules · 1 February 2013
Rule 506.3
Official source text from the 1 February 2013 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.
Historical Rules · 1 February 2013
Official source text from the 1 February 2013 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.