Kanko Torinaga, the Conspirer

Whenever you cast a historic permanent, put a +1/+1 counter on Kanko Torinaga, the Conspirer.
Kanko Torinaga, the Conspirer has protection from creatures while you control three or more historic permanents.
"I fail to see how your ambitions should have any adverse affect on our relationship, dear sister. Your empire is safe, I assure you."