This land enters tapped unless you control one or fewer other lands.
{T}: Add {R} or {G}.
Cycling {2}

Trample
Mercurial Wright gets +1/+0 for each other artifact you control.
{2}: Target permanent becomes an artifact in addition to its other types until end of turn.

When this land enters, sacrifice it. If you do, search your library for a basic Island or Mountain card, put it onto the battlefield tapped, then shuffle.
{2}{U}{U}{R}{R}, Discard this card: It deals 3 damage to any target. Draw two cards, then discard a card.

When Meteorite enters, it deals 2 damage to any target.
{T}: Add one mana of any color.

Miasmic Cove enters tapped.
{T}: Add {B} or {G}.
{4}{B/G}: Miasmic Cove becomes a 2/3 black and green Snake creature with deathtouch until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to black and green. Activate only once each turn.

{T}: Add {C}.
{T}: Surveil 1. Return Mirage Island to its owner's hand.

Mirrormeld Spire has all abilities of land cards integrated onto permanents you control.
{T}: Add {C}.
{C}, {T}: Integrate the top card of target player's library.

As this land enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {U} or {R}.

When this artifact enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.
{1}, Sacrifice this artifact: Draw a card.
{3}, Sacrifice this artifact: Exile each opponent's graveyard. Draw a card.

Equipped creature gets +2/+1.
Equipped creature has first strike during your turn.
Equip {2}

This land enters tapped unless you control one or fewer other lands.
{T}: Add {U} or {B}.
Cycling {2}

Nebulous Ring enters tapped.
{T}: Add {C} or {W}.
{1}, Discard Nebulous Ring: Scry 2.

Neglected Slums enters tapped.
{T}: Add {R} or {G}.
{4}: Make a pledge. Activate only as a sorcery.

Neo Stehlia enters tapped unless you control a basic non-Plains land.
{T}: Add {W}.
{2}{W}, {T}: Choose a creature type. Creatures you control of the chosen type get +1/+0 until end of turn.

Trample, ward {4}
Equipped creature gets +4/+4 and has trample and ward {4}.
Equip {4}
Spellcharge 8

Nessian Woods enters tapped.
{T}: Add {R} or {G}.
{6}{R/G}: Nessian Woods becomes a 5/4 red and green Dryad creature with trample until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to red and green. Activate only once each turn.

Nimbus of Thought enters tapped.
{T}: Add {U} or {R}.
{4}{U/R}: Until end of turn, Nimbus of Thought becomes a 3/3 blue and red Elemental creature with “Whenever this creature becomes tapped, you may discard a card. If you do, draw a card.” It's still a land. This ability costs {X} less to activate, where X is your devotion to blue and red. Activate only once each turn.

This land enters tapped.
{2}{U}{R}, {T}: Surveil 1.

At the beginning of your upkeep, integrate the top card of target player's library.
Whenever a creature card is integrated onto Offerings to Sky Gods, create a 1/1 colorless Cyborg artifact creature token.

Ominous Quag enters tapped.
{T}: Add {W} or {B}.
{2}{W}{B}, {T}, Sacrifice Ominous Quag: Draw a card.

Whenever Omnoid Destroyer or another artifact you control enters, artifact creatures you control gain deathtouch until end of turn.

Open Air Boardwalk enters tapped.
{T}: Add {G} or {W}.
{4}: Make a pledge. Activate only as a sorcery.

When this land enters, you gain 2 life.
{T}: Add {C}. You may spend this mana as though it were mana of any color to activate cycling abilities or cast spells with a cycling ability.

Penrath District enters tapped unless you control a Mountain, a Forest, and a Plains.
{T}: Add {R}, {G}, or {W}.