Cascading Cataracts

Indestructible
{T}: Add {C}.
{5}, {T}: Add five mana in any combination of colors.

Slagwoods Bridge

Slagwoods Bridge enters tapped.
Indestructible
{T}: Add {R} or {G}.

Silverbluff Bridge enters tapped.
Indestructible
{T}: Add {U} or {R}.

Goldmire Bridge enters tapped.
Indestructible
{T}: Add {W} or {B}.

Mistvault Bridge enters tapped.
Indestructible
{T}: Add {U} or {B}.

Tanglepool Bridge enters tapped.
Indestructible
{T}: Add {G} or {U}.

Drossforge Bridge enters tapped.
Indestructible
{T}: Add {B} or {R}.

Razortide Bridge enters tapped.
Indestructible
{T}: Add {W} or {U}.

Darkmoss Bridge enters tapped.
Indestructible
{T}: Add {B} or {G}.

Rustvale Bridge enters tapped.
Indestructible
{T}: Add {R} or {W}.

Thornglint Bridge enters tapped.
Indestructible
{T}: Add {G} or {W}.