Noxious Garden enters the battlefield tapped. As Noxious Garden enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color.
Overgrown Ruins enters the battlefield tapped. As Overgrown Ruins enters the battlefield, choose a color other than green. {T}: Add {G} or one mana of the chosen color.
Wanderer's Sky enters the battlefield tapped. As Wanderer's Sky enters the battlefield, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.