
Negative — As long as K-9 is untapped, other legendary creatures you control have ward {1}.
Affirmative — {1}{U}, {T}: Target legendary creature can't be blocked this turn.
Doctor's companion (You can have two commanders if the other is the Doctor.)
K-9, Mark I has 6 printings, first in Doctor Who (2023). EDHREC ranks it #3,562 among Commander cards. It appears most in Jodah, the Unifier decks (6,127 on EDHREC). 1 public deck on TCG runs it. It has 7 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.