{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast Shrine spells or activate abilities of Shrines.

Gates to the Underworld enters tapped.
{T}: Add {W} or {B}.
{5}{W/B}: Gates to the Underworld becomes a 3/4 white and black Construct creature with lifelink until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to white and black. Activate only once each turn.

Flash
When Getaway Proxy enters, you may choose another creature you control. Move any number of counters from that creature onto Getaway Proxy. Attach to Getaway Proxy any number of Auras that are attached to that creature. Then return that creature to its owner's hand.

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

Gleaming Hot Springs enters tapped unless you control a Mountain.
{T}: Add {W} or {U}.

Until end of turn, target creature gets +X/+X, where X is the number of differently named lands you control.

Target creature you control gains protection from the color of your choice until end of turn.
Scry 1.

When Grim Physician dies, target creature an opponent controls gets -1/-1 until end of turn.

Groupthink Tank enters tapped.
{T}: Add {W} or {B}.
{4}: Make a pledge. Activate only as a sorcery.

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

Target creature gets +4/+4 until end of turn.

Surveil 1, then draw a card. Exile Harbor Mail with a stamp counter on it.
When you cast a spell for its surface cost, if Harbor Mail is exiled with a stamp counter, you may pay {U} and put it into your graveyard. If you do, surveil 1, then draw a card.

{VP}{VP}{VP}, Sacrifice Hardlight Channeler: Create a tapped 4/4 green Elemental Beast creature token.

At the beginning of your upkeep, you may exile target multicolored card from your graveyard. You may cast a copy of it this turn.

At the beginning of your end step, if you control two or more other enchantments, create a 1/1 white Human creature token.

Search your graveyard and/or library for a basic land card, reveal it, put it into your hand, then shuffle.
Surface {G}

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

Hazakh District enters tapped unless you control an Island, a Swamp, and a Mountain.
{T}: Add {U}, {B}, or {R}.

As an additional cost to cast creature spells, you may pay {X}, where X is Heartbonder's power. When you do, put a +1/+1 counter on Heartbonder.

When Heavy Snowfall enters, target creature you control gets +1/+1 and gains indestructible until end of turn.

As an additional cost to cast this spell, sacrifice a creature or pay {4}.
Heedless Cruelty deals 5 damage to target creature or planeswalker.

Enchant creature
Enchanted creature has defender.
Approval — {2}: Exile enchanted creature if its power is less than or equal to the number of colors among permanents you control.

Defender
When Herald of Awakening enters, draw a card. Then discard a card unless you control a Ruin.
Whenever a Ruin you control becomes spellcharged, Herald of Awakening loses defender until end of turn.

Favored

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.