Artist Alley (Un-Known Event Playtest Cards)

{T}: Add {C} {T}: Add one mana of any color signed in this card's art box by someone who has illustrated a printed Magic card. (You can't add colors besides white, blue, black, red, and green. Sorry, purple and orange enjoyers.)

NM - $90.30
LP - $72.20
MP - $54.20
HP - $36.10
DMG - $18.10