Scabland

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

Skyshroud Forest

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

{T}: Add {C}.
{6}: This land becomes a 3/3 Elemental artifact creature that's still a land. (This effect lasts indefinitely.)

{T}: Add {C}.
{T}: Add {W} or {U}. This land doesn't untap during your next untap step.

{T}: Add {C}.
{T}: Add {G} or {W}. This land doesn't untap during your next untap step.

{T}: Add {C}.
{1}{B}, {T}: Put target creature card from your graveyard on top of your library.

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target nonbasic land.

Target creature deals damage to itself equal to its power.