Thriving Bluff enters the battlefield tapped. As Thriving Bluff enters the battlefield, choose a color other than red. {T}: Add {R} or one mana of the chosen color.
As eons passed, the rock wore away, revealing the rich colors at the mountain's heart.
![Thriving Bluff [Streets of New Capenna Commander]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/60506b11-4f53-5c16-b37a-05cc08db633a.jpg?v=1698551678&width=1445)