Glassy Soundvein enters the battlefield tapped.
When Glassy Soundvein enters the battlefield, you may pay 1 life. If you do, add one mana of any color other than blue.
{T}: Add {U}.

Gloomcover Steppe enters the battlefield tapped unless you control a basic Plains or a basic Swamp.

At the beginning of combat on your turn, put a +1/+1 counter on equipped creature.
Equipped creature has flying as long as it has two or more +1/+1 counters on it.
Equipped creature has double strike as long as it has four or more +1/+1 counters on it.
Equip {2}

Guiding Torch enters the battlefield tapped.
{T}, Sacrifice Guiding Torch: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Hallowed Chamber enters tapped unless you control a basic non-Swamp land.
{T}: Add {B}.
{1}, {T}, Sacrifice Hallowed Chamber: Create two Treasure tokens.

{T}: Add {C}. If you control five or more lands, add one mana of any color instead.

Vigilance
{T}: Add {C}.
{1}, {T}: Add one mana of any color.
Spellcharge 2

Heart of the Glade enters the battlefield tapped unless you control a basic Plains or a basic Forest.

{2}, Sacrifice Helm of the Shattered Realm: Destroy target artifact or enchantment. Activate only as a sorcery.
Equipped creature gets +1/+1 and has ward {2}.
Equip {1}

High Teqien enters tapped unless you control a basic non-Island land.
{T}: Add {U}.
{2}{U}, {T}, Sacrifice High Teqien: Gain control of target land. Its owner may search their library for a basic land card, put it onto the battlefield, then shuffle.

Holo-Map enters with two charge counters on it.
{1}, {T}, Remove a charge counter from Holo-Map: Target creature can't be blocked this turn. Scry 2.

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.

{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.

Deathtouch
When this creature transforms into Iris Flayer, target player draws a card and loses 1 life.

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.

{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

Whenever this creature transforms into Lone Switchblade or another permanent you control transforms, each opponent loses 1 life and you gain 1 life.

{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.