Plaza of Heroes 252 (Promo Pack: Dominaria United)

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell. {T}: Add one mana of any color among legendary permanents you control. {3}, {T}, Exile this land: Target legendary creature gains hexproof and indestructible until end of turn.

NM - $13.00
LP - $10.50
MP - $8.00
HP - $5.50
DMG - $3.00