Azorius Guildgate enters the battlefield tapped.

{T}: Add {W} or {U}.

{T}: Add {C}.

{2}, {T}: Target creature gets +X/+X until end of turn, where X is the number of Gates you control. Activate only as a sorcery.

When Bat Colony enters the battlefield, create a 1/1 black Bat creature token with flying for each mana from a Cave spent to cast it.

Whenever a Cave enters the battlefield under your control, put a +1/+1 counter on target creature you control.

Black Dragon Gate enters the battlefield tapped.

As Black Dragon Gate enters the battlefield, choose a color other than black.

{T}: Add {B} or one mana of the chosen color.

Boros Guildgate enters the battlefield tapped.

{T}: Add {R} or {W}.

Calamitous Cave-In deals X damage to each creature and each planeswalker, where X is the number of Caves you control plus the number of Cave cards in your graveyard.

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

{4}, {T}, Sacrifice Captivating Cave: Put two +1/+1 counters on target creature. Activate only as a sorcery.

As Cavern of Souls enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

{T}: Add {C}.

{2}: Cavernous Maw becomes a 3/3 Elemental creature until end of turn. It's still a Cave land. Activate only if the number of other Caves you control plus the number of Cave cards in your graveyard is three or greater.

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.

Citadel Gate enters the battlefield tapped.

As Citadel Gate enters the battlefield, choose a color other than white.

{T}: Add {W} or one mana of the chosen color.

Cliffgate enters the battlefield tapped.

As Cliffgate enters the battlefield, choose a color other than red.

{T}: Add {R} or one mana of the chosen color.

Cloudpost enters the battlefield tapped.

{T}: Add {C} for each Locus on the battlefield.

When Compass Gnome enters the battlefield, you may search your library for a basic land card or Cave card, reveal it, then shuffle and put that card on top.

Choose three. You may choose the same mode more than once.

• Search your library for a Cave card, put it onto the battlefield tapped, then shuffle.

• Put three +1/+1 counters on a Cave you control. It becomes a 0/0 Elemental creature with haste. It's still a land.

• Destroy target enchantment.

Tap an untapped Gate you control: Crackling Perimeter deals 1 damage to each opponent.

{T}: Add {C}.

{3}, {T}, Sacrifice Cradle of the Accursed: Create a 2/2 black Zombie creature token. Activate only as a sorcery.

When Crosis's Catacombs enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

{T}: Add {U}, {B}, or {R}.

When Darigaaz's Caldera enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

{T}: Add {B}, {R}, or {G}.

{T}: Add {C}.

{T}: Desert deals 1 damage to target attacking creature. Activate only during the end of combat step.

Destroy target permanent.

Desert of the Fervent enters the battlefield tapped.

{T}: Add {R}.

Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)

Desert of the Glorified enters the battlefield tapped.

{T}: Add {B}.

Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.)

Desert of the Indomitable enters the battlefield tapped.

{T}: Add {G}.

Cycling {1}{G} ({1}{G}, Discard this card: Draw a card.)

Desert of the Mindful enters the battlefield tapped.

{T}: Add {U}.

Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

Desert of the True enters the battlefield tapped.

{T}: Add {W}.

Cycling {1}{W} ({1}{W}, Discard this card: Draw a card.)

Dimir Guildgate enters the battlefield tapped.

{T}: Add {U} or {B}.

When District Guide enters the battlefield, you may search your library for a basic land card or Gate card, reveal it, put it into your hand, then shuffle.

When Dromar's Cavern enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

{T}: Add {W}, {U}, or {B}.

{T}: Add {C}.

When Dunes of the Dead is put into a graveyard from the battlefield, create a 2/2 black Zombie creature token.

You may have Echoing Deeps enter the battlefield tapped as a copy of any land card in a graveyard, except it's a Cave in addition to its other types.

{T}: Add {C}.

{T}: Add {C}.

{2}, {T}: Exile target creature you control.

{4}, {T}, Sacrifice Endless Sands: Return each creature card exiled with Endless Sands to the battlefield under its owner's control.

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.

You take the initiative.

{T}: Add {C}.

Other Caves you control have "{T}, Pay 1 life: Add one mana of any color."

This spell costs {1} less to cast for each Cave you control and each Cave card in your graveyard.

Lifelink

This spell costs {1} less to cast for each Gate you control.

Gate Colossus can't be blocked by creatures with power 2 or less.

Whenever a Gate enters the battlefield under your control, you may put Gate Colossus from your graveyard on top of your library.

Gatebreaker Ram gets +1/+1 for each Gate you control.

As long as you control two or more Gates, Gatebreaker Ram has vigilance and trample.

Defender

When Gatecreeper Vine enters the battlefield, you may search your library for a basic land card or a Gate card, reveal it, put it into your hand, then shuffle.

Flying

Gatekeeper Gargoyle enters the battlefield with a +1/+1 counter on it for each Gate you control.

Gateway Plaza enters the battlefield tapped.

When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

Whenever a Gate enters the battlefield under your control, Gateway Sneak can't be blocked this turn.

Whenever Gateway Sneak deals combat damage to a player, draw a card.

Equipped creature gets +1/+0 for each Gate you control and has vigilance and menace. (A creature with menace can't be blocked except by two or more creatures.)

Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

When Glimmerpost enters the battlefield, you gain 1 life for each Locus on the battlefield.

{T}: Add {C}.

Choose one --

• Search your library for a basic Forest card, put that card onto the battlefield tapped, then shuffle.

• Return target Cave card from your graveyard to the battlefield tapped.

Golgari Guildgate enters the battlefield tapped.

{T}: Add {B} or {G}.

Gates you control enter the battlefield untapped.

{T}: Add {C}.

{T}: Add one mana of any color that a Gate you control could produce.

{T}: Add {C}.

{1}, {T}, Sacrifice Grasping Dunes: Put a -1/-1 counter on target creature. Activate only as a sorcery.

{T}: Untap target Gate.

Gruul Guildgate enters the battlefield tapped.

{T}: Add {R} or {G}.

When Guild Summit enters the battlefield, you may tap any number of untapped Gates you control. Draw a card for each Gate tapped this way.

Whenever a Gate enters the battlefield under your control, draw a card.

{T}: Add {C}.

{T}, Pay 1 life: Add {G}.

{1}{G}{G}, {T}, Sacrifice a Desert: Target creature gets +3/+3 until end of turn. Activate only as a sorcery.

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

{1}, {T}, Tap an untapped Gate you control: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Hidden Cataract enters the battlefield tapped.

{T}: Add {U}.

{4}{U}, {T}, Sacrifice Hidden Cataract: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Courtyard enters the battlefield tapped.

{T}: Add {W}.

{4}{W}, {T}, Sacrifice Hidden Courtyard: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Necropolis enters the battlefield tapped.

{T}: Add {B}.

{4}{B}, {T}, Sacrifice Hidden Necropolis: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Nursery enters the battlefield tapped.

{T}: Add {G}.

{4}{G}, {T}, Sacrifice Hidden Nursery: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Volcano enters the battlefield tapped.

{T}: Add {R}.

{4}{R}, {T}, Sacrifice Hidden Volcano: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

{T}: Add {C}.

{2}, Exile a land card from your graveyard: Hostile Desert becomes a 3/4 Elemental creature until end of turn. It's still a land.

Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. Then if you control three or more Deserts, create two 2/2 black Zombie creature tokens.

{T}: Add {C}.

{T}, Pay 1 life: Add {B}.

{2}{B}{B}, {T}, Sacrifice a Desert: Put two -1/-1 counters on target creature an opponent controls. Activate only as a sorcery.

{T}: Add {C}.

{T}, Pay 1 life: Add {U}.

{1}{U}, {T}, Sacrifice a Desert: Target player mills four cards.

Izzet Guildgate enters the battlefield tapped.

{T}: Add {U} or {R}.

When Kaslem's Stonetree enters the battlefield, look at the top six cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom in a random order.

Craft with Cave {5}{G} ({5}{G}, Exile this artifact, Exile a Cave you control or a Cave card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Manor Gate enters the battlefield tapped.

As Manor Gate enters the battlefield, choose a color other than green.

{T}: Add {G} or one mana of the chosen color.

Maze's End enters the battlefield tapped.

{T}: Add {C}.

{3}, {T}, Return Maze's End to its owner's hand: Search your library for a Gate card, put it onto the battlefield, then shuffle. If you control ten or more Gates with different names, you win the game.

{2}, {T}, Sacrifice Navigation Orb: Search your library for up to two basic land cards and/or Gate cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Search your library for a basic land card or Gate card, reveal it, put it into your hand, then shuffle.

Orzhov Guildgate enters the battlefield tapped.

{T}: Add {W} or {B}.

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

Pit of Offerings enters the battlefield tapped.

When Pit of Offerings enters the battlefield, exile up to three target cards from graveyards.

{T}: Add {C}.

{T}: Add one mana of any of the exiled cards' colors.

When Plaza of Harmony enters the battlefield, if you control two or more Gates, you gain 3 life.

{T}: Add {C}.

{T}: Add one mana of any type that a Gate you control could produce.

{T}: Add {C}.

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

Rakdos Guildgate enters the battlefield tapped.

{T}: Add {B} or {R}.

Vigilance, reach, trample

Ramunap Hydra gets +1/+1 as long as you control a Desert.

Ramunap Hydra gets +1/+1 as long as there is a Desert card in your graveyard.

{T}: Add {C}.

{T}, Pay 1 life: Add {R}.

{2}{R}{R}, {T}, Sacrifice a Desert: Ramunap Ruins deals 2 damage to each opponent.

When Rith's Grove enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

{T}: Add {R}, {G}, or {W}.

When Sand Strangler enters the battlefield, if you control a Desert or there is a Desert card in your graveyard, you may have Sand Strangler deal 3 damage to target creature.

When Scampering Surveyor enters the battlefield, search your library for a basic land card or Cave card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}.

{2}, {T}, Sacrifice a Desert: Exile all graveyards.

Sea Gate enters the battlefield tapped.

As Sea Gate enters the battlefield, choose a color other than blue.

{T}: Add {U} or one mana of the chosen color.

Selesnya Guildgate enters the battlefield tapped.

{T}: Add {G} or {W}.

{T}: Add {C}.

{T}, Pay 1 life: Add {W}.

{2}{W}{W}, {T}, Sacrifice a Desert: Creatures you control get +1/+1 until end of turn. Activate only as a sorcery.

Cycling {3}{G} ({3}{G}, Discard this card: Draw a card.)

When you cycle Shefet Monitor, you may search your library for a basic land card or a Desert card, put it onto the battlefield, then shuffle. (Do this before you draw.)

Simic Guildgate enters the battlefield tapped.

{T}: Add {G} or {U}.

When Sinuous Benthisaur enters the battlefield, look at the top X cards of your library, where X is the number of Caves you control plus the number of Cave cards in your graveyard. Put two of those cards into your hand and the rest on the bottom of your library in a random order.

When Spelunking enters the battlefield, draw a card, then you may put a land card from your hand onto the battlefield. If you put a Cave onto the battlefield this way, you gain 4 life.

Lands you control enter the battlefield untapped.

Deathtouch

Descend 4 -- Whenever Stinging Cave Crawler attacks, if there are four or more permanent cards in your graveyard, you draw a card and you lose 1 life.

Sunken Citadel enters the battlefield tapped. As it enters, choose a color.

{T}: Add one mana of the chosen color.

{T}: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.

When Sunscorched Desert enters the battlefield, it deals 1 damage to target player or planeswalker.

{T}: Add {C}.

{T}: Add {C}.

{T}, Tap an untapped creature you control: Add one mana of any color.

As The Black Gate enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

{T}: Add {B}.

{1}{B}, {T}: Choose a player with the most life or tied for most life. Target creature can't be blocked by creatures that player controls this turn.

When The Everflowing Well enters the battlefield, mill two cards, then draw two cards.

Descend 8 -- At the beginning of your upkeep, if there are eight or more permanent cards in your graveyard, transform The Everflowing Well.

(Transforms from The Everflowing Well.)

{T}: Add {U}.

Whenever you cast a permanent spell using mana produced by The Myriad Pools, up to one other target permanent you control becomes a copy of that spell until end of turn.

{T}: Add {C}.

{2}, {T}: Thespian's Stage becomes a copy of target land, except it has this ability.

Thran Portal enters the battlefield tapped unless you control two or fewer other lands.

As Thran Portal enters the battlefield, choose a basic land type.

Thran Portal is the chosen type in addition to its other types.

Mana abilities of Thran Portal cost an additional 1 life to activate.

When Treva's Ruins enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

{T}: Add {G}, {W}, or {U}.

If a creature you control would explore, instead you scry 1, then that creature explores.

When Twists and Turns enters the battlefield, target creature you control explores.

When a land enters the battlefield under your control, if you control seven or more lands, transform Twists and Turns.

(Transforms from Twists and Turns.)

{T}: Add {G}.

{3}{G}, {T}: Look at the top four cards of your library. You may reveal a creature card from among them and put that card into your hand. Put the rest on the bottom of your library in a random order.

Enchant creature

When Unquenchable Thirst enters the battlefield, if you control a Desert or there is a Desert card in your graveyard, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

{T}: Add {C}.

{7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Urza's Saga gains "{T}: Add {C}."

II -- Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"

III -- Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

{T}: Add {C}.

Metalcraft -- {T}: Add {C} for each Urza's land you control. Activate only if you control three or more artifacts.

You may have Vesuva enter the battlefield tapped as a copy of any land on the battlefield.

{T}: Add {C}.

{1}, {T}, Sacrifice Volatile Fault: Destroy target nonbasic land an opponent controls. That player may search their library for a basic land card, put it onto the battlefield, then shuffle. You create a Treasure token.

Defender

{T}: Wall of Forgotten Pharaohs deals 1 damage to target player or planeswalker. Activate only if you control a Desert or there is a Desert card in your graveyard.

Enchant creature

Enchanted creature gets +2/+2.

Enchanted creature can't be blocked as long as you control a Gate.

Each land is a Forest in addition to its other land types.