{T}: Add one mana of any color. Put a tide counter on Tidelock Pearl.
{1}{U}, {T}, Sacrifice Tidelock Pearl: Search your library for a Kraken, Leviathan, Octopus, or Serpent card with mana value less than or equal to the number of tide counters on Tidelock Pearl, put it onto the battlefield, then shuffle.

{T}: Add {C}.
{4}, {T}, Sacrifice Timeworn Crags: Destroy target nonbasic land. This ability costs {1} less to activate for each nonbasic land you don't control.

Spellcharge 2

Tiril District enters tapped unless you control a Plains, an Island, and a Swamp.
{T}: Add {W}, {U}, or {B}.

Titan's Stairs enters tapped.
{T}: Add {R} or {W}.
{3}{R/W}: Titan's Stairs becomes a 2/2 red and white Archon creature with flying until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to red and white. Activate only once each turn.

Spend only mana of different colors to cast this spell.
For each color among permanents you control, the first multicolored spell you cast each turn costs one mana of that color less to cast. This effect reduces only the amount of colored mana you pay.

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

When Totemic Guidestones enters, draw a card.
Creature spells you cast cost {1} less to cast.
You may cast creature spells as though they had flash.

Deathtouch
{T}: Add {C}.
Spellcharge 3

{1}, Sacrifice Traveler's Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

{T}, Sacrifice another nonland permanent: Add X mana in any combination of the sacrificed permanent's colors, where X is 1 plus that permanent's mana value.

Indestructible
Equipped creature has indestructible as long as it's your turn.
Equip {1}
Spellcharge 5

Whenever you cast a colorless spell, you may pay {C}. If you do, copy it. You may choose new targets for the copy.
Whenever a creature you control attacks, put a +1/+1 counter on it for each other creature you control with the same name as that creature.

Whenever another creature dies, you may integrate it.
Whenever a creature card is integrated onto Unmolded One, you may have it become a copy of that card until end of turn, except it has Unmolded One's abilities.

Unstable Formation enters with three charge counters on it.
{1}, {T}, Remove a charge counter from Unstable Formation: Unstable Formation deals 1 damage to target player or planeswalker. You may sacrifice Unstable Formation. If you do, draw a card.

{T}: Add {C}.
Whenever Unwavering Gates attacks, other creatures you control gain indestructible until end of turn.
Spellcharge 5

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

Urban Sunscape enters tapped.
{T}: Add {R} or {W}.
{4}: Make a pledge. Activate only as a sorcery.

Valley Village enters tapped.
{T}: Add {R} or {G}.
{1}, Discard Valley Village: Scry 2.

Spellcharge 2
When Vanquished Conqueror dies, draw a card.

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

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

Vishanki District enters tapped unless you control a Swamp, a Mountain, and a Forest.
{T}: Add {B}, {R}, or {G}.

When Vision Herald enters, the first spell target opponent casts during their next turn costs an additional {1} and 1 life to cast.

Flying
At the beginning of your end step, you may exile a card you own from outside the game. Put that card into your hand unless an opponent pays {2} and 2 life.