Arcane Signet

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

Rootbound Crag

Rootbound Crag enters tapped unless you control a Mountain or a Forest.
{T}: Add {R} or {G}.

Bountiful Promenade enters tapped unless you have two or more opponents.
{T}: Add {G} or {W}.

({T}: Add {R}, {G}, or {W}.)
Jetmir's Garden enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Overgrown Farmland enters tapped unless you control two or more other lands.
{T}: Add {G} or {W}.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Spire Garden enters tapped unless you have two or more opponents.
{T}: Add {R} or {G}.

Haste
Nontoken creatures you control have "{T}: Create a token that's a copy of target token you control that entered this turn."

Clifftop Retreat enters tapped unless you control a Mountain or a Plains.
{T}: Add {R} or {W}.

Spectator Seating enters tapped unless you have two or more opponents.
{T}: Add {R} or {W}.

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

Rockfall Vale enters tapped unless you control two or more other lands.
{T}: Add {R} or {G}.

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

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

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

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

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

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

({T}: Add {G} or {W}.)
As Temple Garden enters, you may pay 2 life. If you don't, it enters tapped.