Kelsier, Survivor of Hathsin

Flying, First strike, Double strike, Deathtouch
Whenever Kelsier, Survivor of Hathsin deals combat damage to a player, put a +1/+1 counter on him.
Sacrifice Kelsier, Survivor of Hathsin: create X 1/1 black human creature tokens with deathtouch and haste where X on Kelsier, Survivor of Hathsin’s power, and search your deck for the Vin, Killer of Gods legendary creature. Put her onto the battlefield without paying her manna cost.