Shirvata, Tainted Spark

+1: Put a 1/1 black Human Cleric creature token with deathtouch onto the battlefield. You gain 2 life.
0: Remove all loyalty counters from Shirvata, Tainted Spark, remove all loyalty counters from target planeswalker.
-10: Search target player's library for a creature or planeswalker card and put it onto the battlefield under your control.