Historical Rules · 1 June 2014
Rule 506.3
Official source text from the 1 June 2014 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.
Historical Rules · 1 June 2014
Official source text from the 1 June 2014 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.