Tam, the Possibility 317 (Reality Fracture) - Borderless

Planeswalker spells you cast cost {1} less to cast. {W}{U}{B}{R}{G}, {T}: Proliferate X times, where X is the number of planeswalker types among planeswalkers you control. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.)

NM - $27.20
LP - $21.80
MP - $16.40
HP - $10.90
DMG - $5.50