Historical Rules · 22 July 2016
Rule 506.3
Official source text from the 22 July 2016 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.
Historical Rules · 22 July 2016
Official source text from the 22 July 2016 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.