Frontier Bivouac

This land enters tapped.
{T}: Add {G}, {U}, or {R}.

Mountain

This land enters tapped.
{T}: Add {R} or {G}.
{2}{R}{G}, {T}, Sacrifice this land: Draw a card.

Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.

{T}: Add {C}.
{T}: Add {U} or {R}. This land deals 1 damage to you.

{T}: Add {C}.
{T}: Add {R} or {G}. This land deals 1 damage to you.

{T}: Add {C}.
{T}: Add {G} or {U}. This land deals 1 damage to you.

When this creature dies, you may have it deal damage to any target equal to the number of land cards in your graveyard.