Temple of Enlightenment enters tapped.
When Temple of Enlightenment enters, scry 1.
{T}: Add {W} or {U}.

Temple of Epiphany enters tapped.
When Temple of Epiphany enters, scry 1.
{T}: Add {U} or {R}.

Temple of Malady enters tapped.
When Temple of Malady enters, scry 1.
{T}: Add {B} or {G}.

Temple of Malice enters tapped.
When Temple of Malice enters, scry 1.
{T}: Add {B} or {R}.

Temple of Mystery enters tapped.
When Temple of Mystery enters, scry 1.
{T}: Add {G} or {U}.

Temple of Origins enters tapped unless you control two or fewer other lands.
As Temple of Origins enters, choose two colors.
{T}: Add one mana of one of the chosen colors.
If you would add mana of a color that wasn't chosen, add {C} instead.

Temple of Plenty enters tapped.
When Temple of Plenty enters, scry 1.
{T}: Add {G} or {W}.

Temple of Silence enters tapped.
When Temple of Silence enters, scry 1.
{T}: Add {W} or {B}.

Temple of Triumph enters tapped.
When Temple of Triumph enters, scry 1.
{T}: Add {R} or {W}.

At the beginning of your end step, you may pay {2}. If you do, you gain 2 life, then target opponent may pay {2}. If they don't, you draw a card.

Tenuous Edge enters tapped.
{T}: Add {U} or {R}.
{T}, Discard another card named Tenuous Edge: Draw a card.

As long as you've cast an instant spell this turn, Teqien Overseer gets +1/+1 and has hexproof.
As long as you've cast a sorcery spell this turn, Teqien Overseer gets +1/+1 and has flying.

This spell can't be countered.
Terminal Impact deals damage to any target equal to the amount of mana spent to cast it. If at least seven mana was spent to cast it, you may have it deal that much damage to each creature and each player instead.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}.
Spellcharge 4

Target creature gains hexproof until end of turn. Untap it.
Draw a card if your devotion to blue is three or greater.

Equipped creature gets +2/+2.
As long as there are five colors among permanents you control, equipped creature has indestructible.
Equip {5}. This ability costs {1} less to activate for each of its target's colors.

Indestructible
Whenever a player attacks with two or more creatures, you draw a card and you create a Treasure token.
Whenever a player casts their second spell each turn, create a 1/1 colorless Cyborg artifact creature token, then put a +1/+1 counter on each Cyborg you control.

You may tap an untapped legendary creature you control instead of paying this spell's mana cost.
Enchant creature.
Enchanted creature gets +1/+0 and has menace.

{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

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.

{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.