Coin of Mastery 38 (Commander: Teenage Mutant Ninja Turtles)

Each creature you control enters with an additional +1/+1 counter on it for each mana from an artifact source spent to cast it. {T}: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

NM - $3.80
LP - $3.10
MP - $2.30
HP - $1.60
DMG - $1.50