Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

{T}: Add {C}.

{5}, {T}: Draw a card. Activate only if you have the city's blessing.

Archway Commons enters the battlefield tapped.

When Archway Commons enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

Azorius Guildgate enters the battlefield tapped.

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

Creatures your opponents control get -2/-0 until end of turn.

Beyeen Coast enters the battlefield tapped.

{T}: Add {U}.

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

As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Boros Guildgate enters the battlefield tapped.

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

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

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Cathedral of War enters the battlefield tapped.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

{T}: Add {C}.

If you control two or more other lands, Cave of the Frost Dragon enters the battlefield tapped.

{T}: Add {W}.

{4}{W}: Cave of the Frost Dragon becomes a 3/4 white Dragon creature with flying until end of turn. It's still a land.

Trample

When Child of Alara dies, destroy all nonland permanents. They can't be regenerated.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add {C}.

{4}: Put two +1/+1 counters on Crawling Barrens. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a land.

As an additional cost to cast this spell, sacrifice a land.

Search your library for a land card, put that card onto the battlefield, then shuffle.

You may play lands from your graveyard.

Trample

Cultivator Colossus's power and toughness are each equal to the number of lands you control.

When Cultivator Colossus enters the battlefield, you may put a land card from your hand onto the battlefield tapped. If you do, draw a card and repeat this process.

Dark Depths enters the battlefield with ten ice counters on it.

{3}: Remove an ice counter from Dark Depths.

When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

If you control two or more other lands, Den of the Bugbear enters the battlefield tapped.

{T}: Add {R}.

{3}{R}: Until end of turn, Den of the Bugbear becomes a 3/2 red Goblin creature with "Whenever this creature attacks, create a 1/1 red Goblin creature token that's tapped and attacking." It's still a land.

{T}: Add {C}.

{1}{U}{R}, {T}: Draw a card, then discard a card.

Dimir Guildgate enters the battlefield tapped.

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

{T}: Add {C}.

{4}: Dread Statuary becomes a 4/2 Golem artifact creature until end of turn. It's still a land.

{T}: Add {C}.

{3}, {T}, Sacrifice a land: Destroy target nonbasic land.

You may play an additional land on each of your turns.

Faerie Conclave enters the battlefield tapped.

{T}: Add {U}.

{1}{U}: Faerie Conclave becomes a 2/1 blue Faerie creature with flying until end of turn. It's still a land.

Field of the Dead enters the battlefield tapped.

{T}: Add {C}.

Whenever Field of the Dead or another land enters the battlefield under your control, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.

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.

{T}: Add {C}.

{2}, {T}: Each player draws a card, then discards a card.

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

As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Golgari Guildgate enters the battlefield tapped.

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

Great Hall of Starnheim enters the battlefield tapped.

{T}: Add {B}.

{W}{W}{B}, {T}, Sacrifice Great Hall of Starnheim and a creature you control: Create a 4/4 white Angel Warrior creature token with flying and vigilance. Activate only as a sorcery.

{T}: Add {C}.

{2}{B}{G}, {T}, Sacrifice a creature: Draw a card.

Gruul Guildgate enters the battlefield tapped.

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

{T}: Add {C}.

{1}, {T}: Add one mana of any color. If that mana is spent on a multicolored creature spell, that creature enters the battlefield with an additional +1/+1 counter on it.

This spell costs {1} less to cast if an opponent controls no basic lands.

Destroy target creature.

Hagra Broodpit enters the battlefield tapped.

{T}: Add {B}.

Halimar Depths enters the battlefield tapped.

When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order.

{T}: Add {U}.

{T}: Add {C}.

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

{T}: Put a +1/+1 counter on target creature. Activate only as a sorcery and only if you've cast an instant or sorcery spell this turn.

If you control two or more other lands, Hall of Storm Giants enters the battlefield tapped.

{T}: Add {U}.

{5}{U}: Until end of turn, Hall of Storm Giants becomes a 7/7 blue Giant creature with ward {3}. It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)

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

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}.

{T}, Sacrifice a creature: You gain 1 life.

If you control two or more other lands, Hive of the Eye Tyrant enters the battlefield tapped.

{T}: Add {B}.

{3}{B}: Until end of turn, Hive of the Eye Tyrant becomes a 3/3 black Beholder creature with menace and "Whenever this creature attacks, exile target card from defending player's graveyard." It's still a land.

{T}: Add {C}.

{1}: Inkmoth Nexus becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Izzet Guildgate enters the battlefield tapped.

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

Counter target spell unless its controller pays {1}.

Jwari Ruins enters the battlefield tapped.

{T}: Add {U}.

{T}: Add {W}.

{T}: Return target legendary creature to its owner's hand.

As an additional cost to cast this spell, sacrifice a creature.

Kazuul's Fury deals damage equal to the sacrificed creature's power to any target.

Kazuul's Cliffs enters the battlefield tapped.

{T}: Add {R}.

{T}: Add {C}.

{4}{R}, {T}, Sacrifice a creature: Keldon Necropolis deals 2 damage to any target.

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Khalni Territory enters the battlefield tapped.

{T}: Add {G}.

{T}: Add {C}.

{1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

{T}: Add {C}.

{4}, {T}: Remove target attacking or blocking creature from combat.

If you control two or more other lands, Lair of the Hydra enters the battlefield tapped.

{T}: Add {G}.

{X}{G}: Until end of turn, Lair of the Hydra becomes an X/X green Hydra creature. It's still a land. X can't be 0.

Lavaclaw Reaches enters the battlefield tapped.

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

{1}{B}{R}: Until end of turn, Lavaclaw Reaches becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.

Return up to three target land cards from your graveyard to your hand.

Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Littjara Mirrorlake enters the battlefield tapped.

{T}: Add {U}.

{2}{G}{G}{U}, {T}, Sacrifice Littjara Mirrorlake: Create a token that's a copy of target creature you control, except it enters the battlefield with an additional +1/+1 counter on it. Activate only as a sorcery.

Lumbering Falls enters the battlefield tapped.

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

{2}{G}{U}: Lumbering Falls becomes a 3/3 green and blue Elemental creature with hexproof until end of turn. It's still a land.

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.

{T}: Add {C}.

{2}, {T}: Each player draws a card.

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

{T}: Add {C}.

{4}, {T}: Exile target attacking creature an opponent controls. At the beginning of the next end step, return it to the battlefield tapped under its owner's control.

Needle Spires enters the battlefield tapped.

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

{2}{R}{W}: Needle Spires becomes a 2/1 red and white Elemental creature with double strike until end of turn. It's still a land.

Destroy all nonland permanents.

Ondu Skyruins enters the battlefield tapped.

{T}: Add {W}.

{T}: Add {C}.

{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

Orzhov Guildgate enters the battlefield tapped.

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

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

As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Rakdos Guildgate enters the battlefield tapped.

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

{T}: Add {C}.

{1}, {T}: Tap target land.

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

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

As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Sacrifice any number of lands. Search your library for up to that many land cards, put them onto the battlefield tapped, then shuffle.

Selesnya Guildgate enters the battlefield tapped.

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

Shambling Vent enters the battlefield tapped.

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

{1}{W}{B}: Shambling Vent becomes a 2/3 white and black Elemental creature with lifelink until end of turn. It's still a land.

Simic Guildgate enters the battlefield tapped.

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

{T}: Add {C}.

{R}{G}, {T}: Target creature gets +1/+1 and gains trample until end of turn.

{T}: Add {C}.

{R}{W}, {T}: Target creature gets +2/+0 and gains vigilance and haste until end of turn.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

Song-Mad Ruins enters the battlefield tapped.

{T}: Add {R}.

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

As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}.

{3}{B}{R}, {T}: Stensia Bloodhall deals 2 damage to target player or planeswalker.

Stirring Wildwood enters the battlefield tapped.

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

{1}{G}{W}: Until end of turn, Stirring Wildwood becomes a 3/4 green and white Elemental creature with reach. It's still a land.

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

As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

{T}: Add {C}.

{2}{R}{W}, {T}: Target creature gains double strike until end of turn.

{T}: Add {G}.

Tangled Vale enters the battlefield tapped.

{T}: Add {G}.

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

As Temple Garden enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Tempting offer -- Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.

All creatures have "At the beginning of your upkeep, destroy this creature unless you pay {1}."

{T}: Add {C}.

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

Defender; reach (This creature can block creatures with flying.)

Traproot Kami's toughness is equal to the number of Forests on the battlefield.

Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.

Treetop Village enters the battlefield tapped.

{T}: Add {G}.

{1}{G}: Treetop Village becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (It can deal excess combat damage to the player or planeswalker it's attacking.)

As Unclaimed Territory 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.

Put a +1/+1 counter on target creature.

Vastwood Thicket enters the battlefield tapped.

{T}: Add {G}.

{T}: Add {C}.

{2}{G}{W}, {T}: Create a 1/1 green Saproling creature token.

Vivid Crag enters the battlefield tapped with two charge counters on it.

{T}: Add {R}.

{T}, Remove a charge counter from Vivid Crag: Add one mana of any color.

Vivid Creek enters the battlefield tapped with two charge counters on it.

{T}: Add {U}.

{T}, Remove a charge counter from Vivid Creek: Add one mana of any color.

Vivid Grove enters the battlefield tapped with two charge counters on it.

{T}: Add {G}.

{T}, Remove a charge counter from Vivid Grove: Add one mana of any color.

Vivid Marsh enters the battlefield tapped with two charge counters on it.

{T}: Add {B}.

{T}, Remove a charge counter from Vivid Marsh: Add one mana of any color.

Vivid Meadow enters the battlefield tapped with two charge counters on it.

{T}: Add {W}.

{T}, Remove a charge counter from Vivid Meadow: Add one mana of any color.

Wandering Fumarole enters the battlefield tapped.

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

{2}{U}{R}: Until end of turn, Wandering Fumarole becomes a 1/4 blue and red Elemental creature with "{0}: Switch this creature's power and toughness until end of turn." It's still a land.

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.

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

As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Each opponent loses 4 life and you gain 4 life.

Zof Bloodbog enters the battlefield tapped.

{T}: Add {B}.