Hundred-Handed Pillars enters the battlefield tapped.
{T}: Add {W} or {U}.
{7}{W/U}: Hundred-Handed Pillars becomes a 4/6 white and blue Giant creature with vigilance until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to white and blue. Activate only once each turn.

Hyperloop Obelisk enters the battlefield tapped.
{T}: Add {U}, {B}, or {R}.
{VP}{VP}{VP}{VP}, Discard Hyperloop Obelisk: Untap target creature. It gets +4/+4 until end of turn.

Whenever Implacable Shrine-Guard attacks, for each color, do the following if your devotion to that color is three or greater.
{W} — Create a 1/1 white Human creature token.
{U} — Draw a card.
{B} — Each opponent loses 2 life.
{R} — Create a Treasure token.
{G} — You gain 3 life.

Imposing Oddity enters the battlefield with X +1/+1 counters on it.
Whenever Imposing Oddity becomes spellcharged, put a +1/+1 counter on it.
Spellcharge 4
When Imposing Oddity dies, you may put its counters on another target Ruin you control.

Integrate target permanent spell.

{3}, {T}: Choose a number between 1 and 4. Flip a coin. If you win the flip, Infernal Machine deals that much damage to any target. Otherwise, Infernal Machine deals that much damage to you.

Choose a card name. Target permanent gains protection from the chosen name until end of turn. Scry 2.

Enchant creature
Whenever enchanted creature deals or is dealt damage, exile it.

Each player reveals their hand, then you choose a nonland card type. Each player discards all cards of the chosen type, then draws a card for each card they discarded this way.
Draw a card.

Target player exiles two permanents they control with different mana values.

Equipped creature gets +2/+1.
Equip {VP}{VP}

Whenever you draw a card, each opponent loses 1 life and you gain 1 life.
{T}: Each player draws a card.
{2}, {T}: Draw a card.

Equipped creature gets +3/+1.
Whenever a Ruin you control becomes spellcharged, you may attach Landmark Blade to it.
Equip {3}

Lavatorn Fields enters the battlefield tapped unless you control a basic Swamp or a basic Mountain.

Whenever Leyline Leecher attacks, you may pay {1}. If you do, integrate target card from a graveyard.
Leyline Leecher gets +1/+0 and has flying as long as an instant or sorcery card is integrated onto it.

{T}, Sacrifice Leyshard: Add one mana of any type. Draw a card.

Equipped creature gets +2/+0.
Whenever equipped creature attacks, return target creature card with lesser power from a graveyard to the battlefield under your control tapped and attacking. Exile it at the beginning of the next end step, or if it would leave the battlefield.
Equip {3}

{5}: Lightspeed Cruiser becomes an artifact creature until end of turn.
Crew 2

{T}: Add one mana of any color.
As long as you're ancient, lands you you control are every basic land type in addition to their other types.

Lunar Plateau enters tapped.
{T}: Add {W} or {B}.
{1}, Discard Lunar Plateau: Scry 2.

Flying
Lurking Gargoyle enters the battlefield with your choice of counter from among deathtouch, menace or vigilance on it.

Lush Oasis enters the battlefield tapped unless you control a basic Forest or a basic Island.

Magdalena Bay enters the battlefield tapped.
{T}: Add {G}, {W} or {U}.
{VP}{VP}{VP}{VP}, Discard Magdalena Bay: Target creature gets +3/+3 and gains menace until end of turn.

{2}, {T}: Exile target creature you control, then reveal the top card of your library. If the revealed card is a creature card, put it onto the battlefield. Otherwise, return the exiled card to the battlefield under its owner's control.