When Tireless Aspirants enters, you may draw a card. If you do, discard a card.
Wander {1}{U}

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.

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

{1}, {T}: Add one mana of any color.
{T}: Add one mana of any color. You can't spend this mana to cast spells from your hand.

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

{1}, Remove a +1/+1 counter from Traveler of Dawn: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

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

Flow — {2}{W}: This creature has base power and toughness 4/4 until end of turn. Activate only as a sorcery.

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.

When this creature enters, cache up to X target cards from your graveyard.
{T}: Add {G}. Spend this mana only to activate abilities of Memories.

{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.

Menace
Solidarity

As this permanent transforms into Vasilisa, Waging War, it becomes your choice of a 7/7 Hydra with trample, a 6/5 Kraken with hexproof, or a 5/6 Spider with vigilance, reach, and deathtouch.

Flying
When this creature enters, if a nontoken creature you controlled left the battlefield without dying this turn, draw a card.
Cycling {2}

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

Approval — Counter target noncreature spell unless its controller pays {X}, where X is the number of colors among permanents you control.

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}.

Vigilance
Level up—{1}, Tap an untapped creature you control.
[level 1-5] Vigilance
This creature gets +1/+1 for each level counter on it.
[level 6+] Vigilance
Creatures you control get +1/+1 for each level counter on this creature.

Enchant creature
Enchanted creature gets +1/+0 and can't be blocked.
{5}{U}, Exile Voyage to the Siren Sea from your graveyard or the battlefield: Draw three cards. This ability costs {1} less for each creature you control that dealt combat damage to an opponent this turn.