Animal Attendant 128/317 (Avatar: The Last Airbender: Eternal-Legal)

{T}: Add one mana of any color. If that mana is spent to cast a non-Human creature spell, that creature enters with an additional +1/+1 counter on it.

NM - $2.10
LP - $1.70
MP - $1.30
HP - $0.90
DMG - $0.70