Thuldor, Follower of None

: When Thuldor, Follower of None is cast you get an emblem with "Creatures get +1/+1"
+4: Until the end of your next turn when a permanent is tapped for mana it produces and additional mana of any color
+1: Until the end of your next turn all green, blue, and red creatures gain when this creature dies return them to it's owners hands