Grasslands

This land enters tapped.
{T}, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Woodland Cemetery

This land enters tapped unless you control a Swamp or a Forest.
{T}: Add {B} or {G}.

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

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color in your commander's color identity.

({T}: Add {W}, {B}, or {G}.)
This land enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)

{T}: Add {C}.
{T}: Add {B} or {G}. Activate only if you control a Swamp.

This land enters tapped unless you control a Forest or a Plains.
{T}: Add {G} or {W}.

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

This land enters tapped unless you control a Plains or a Swamp.
{T}: Add {W} or {B}.

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

({T}: Add {G} or {W}.)
This land enters tapped unless you control two or more basic lands.