Jiang Yanggu, Wildcrafter 164/264 (War of the Spark)

Each creature you control with a +1/+1 counter on it has "{T}: Add one mana of any color." −1: Put a +1/+1 counter on target creature.

NM - $0.70
LP - $0.70
MP - $0.70
HP - $0.70
DMG - $0.70