Ajani, Soulful Venturer

+1: Sacrifice a creature and gain 2 life. If you sacrificed a non-token creature, gain 2 extra life.
-3: Put down a 2/2 white spirit creature token with "When this creature dies, you gain 5 life."
-6: Put down 20 2/2 white spirit creature tokens onto the battlefield. You gain 20 life.