Altair ibn-la'ahad

: whenever a rogue deals damage to a player or planeswalker, put a +1/+1 counter on each Rogue you control
+2: until the end of the next end step, Altair ibn-la'ahad becomes a 5/5 white human rogue with First Strike and Indestructible.
-9: Destroy all creatures that are not Rogues and exile any Artifacts. proliferate