Final Fantasy Commander

Land

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

Vineglimmer Snarl

Bloomburrow Commander

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

Seachrome Coast

Murders at Karlov Manor Commander

This land enters tapped.
{T}: Add {U}.
{3}{U}{B}{B}, {T}, Sacrifice this land: Mill four cards, then return a creature card from your graveyard to the battlefield tapped. (To mill a card, put the top card of your library into your graveyard.)

Port of Karfell

The Lost Caverns of Ixalan Promos

Land — Cave

You may have this land enter tapped as a copy of any land card in a graveyard, except it's a Cave in addition to its other types.
{T}: Add {C}.

Echoing Deeps

Card

Phyrexia: All Will Be One Art Series

Commander Legends: Battle for Baldur's Gate

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