Historical Rules · 5 June 2017
Rule 506.3
Official source text from the 5 June 2017 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.
Historical Rules · 5 June 2017
Official source text from the 5 June 2017 Rules release
Only a creature can attack or block. Only a player or a planeswalker can be attacked.