Kos, Dimir Champion

: If Tudrinth, Kos General, is on the battlefield, give it 2 +1/+1 counters
+2: Create 2 3/3 Assassin Tokens named Guardian Kos with menace
-9: Search your deck for Vraska, of House Kos and Runus Kos, Avenger, reveal them and place them on the battlefield