Fiery Islet

{T}, Pay 1 life: Add {U} or {R}.
{1}, {T}, Sacrifice this land: Draw a card.

Cascade Bluffs

{T}: Add {C}.
{U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

({T}: Add {U} or {R}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped unless you control two or more other lands.
{T}: Add {U} or {R}.

This land enters tapped unless you control an Island or a Mountain.
{T}: Add {U} or {R}.

This land enters tapped unless you control two or fewer other lands.
{T}: Add {U} or {R}.

This land enters tapped unless you have two or more opponents.
{T}: Add {U} or {R}.

{T}, Pay 1 life, Sacrifice this land: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

As this land enters, you may reveal an Island or Mountain card from your hand. If you don't, this land enters tapped.
{T}: Add {U} or {R}.