Vrach the Healer

+1: Put a 0/2 white cleric with "{t}: Gain 1 life" into play
-2: Remove up to 1 poison counter from yourself. Remove up to 1 -1/-1 counter from each creature. Gain 1 life for each land you control
-6: Gain an emblem: "At the start of your upkeep, remove all poison counters from yourself and double your life total"