Return all attacking creatures to their owner's hand.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order.

Spell mastery -- If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.

You draw a card at the beginning of the next turn's upkeep.

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

As long as Archelos, Lagoon Mystic is tapped, other permanents enter the battlefield tapped.

As long as Archelos is untapped, other permanents enter the battlefield untapped.

{T}: Add {C}.

Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

You may play two additional lands on each of your turns.

{T}: Add {C}.

{2}, {T}: Add X mana of any one color, where X is the number of other Gates you control.

{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.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Flying

{T}: Add one mana of any color.

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.

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

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

You may play lands from your graveyard.

{T}: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery.

Counter target spell.

No more than two creatures can attack you each combat.

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.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

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.

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.

Dreamroot Cascade enters the battlefield tapped unless you control two or more other lands.

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

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

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

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

Lands you control are every basic land type in addition to their other types.

When Elvish Rejuvenator enters the battlefield, look at the top five cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

{T}: Add one mana of any color that a land an opponent controls could produce.

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

You may play an additional land this turn.

Draw a card.

Each player who controls an artifact or enchantment creates a 2/2 green Bear creature token. Then destroy all artifacts and enchantments.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

({T}: Add {G}.)

({T}: Add {G}.)

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.

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.

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}: 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.")

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island.

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

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.

Destroy all creatures you don't control and all planeswalkers you don't control.

({T}: Add {U}.)

({T}: Add {U}.)

{T}: You may put a land card from your hand onto the battlefield.

{T}: Add {C}.

{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

Landfall -- Whenever a land enters the battlefield under your control, add one mana of any color.

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.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

{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.

Menace

Ward--Pay 9 life.

Whenever Nine-Fingers Keene deals combat damage to a player, look at the top nine cards of your library. You may put a Gate card from among them onto the battlefield. Then if you control nine or more Gates, put the rest into your hand. Otherwise, put the rest on the bottom of your library in a random order.

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

Opulent Palace enters the battlefield tapped.

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

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

Play with the top card of your library revealed.

You may play lands from the top of your library.

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.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

You may play lands from your graveyard.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Search your library for up to four land cards with different names and reveal them. An opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle.

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

Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents.

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

You have no maximum hand size.

{T}: Add {C}.

Search your library for up to ten land cards, put them onto the battlefield tapped, then shuffle.

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

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.

Untap all permanents you control during each other player's untap step.

Shipwreck Marsh enters the battlefield tapped unless you control two or more other lands.

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

Simic Guildgate enters the battlefield tapped.

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

{T}: Add {C}{C}.

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.

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.

Return all land cards from your graveyard to the battlefield tapped.

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

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

({T}: Add {B}.)

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

{T}: Add {C}.

{T}: Add {U} or {B}. Activate only if you control a Swamp.

{T}: Add {C}.

{T}: Add {B} or {G}. Activate only if you control a Swamp.

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

Tangled Islet enters the battlefield tapped.

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life and draw a card.

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.

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.

Deathtouch

At the beginning of your upkeep, sacrifice The Gitrog Monster unless you sacrifice a land.

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

Whenever one or more land cards are put into your graveyard from anywhere, draw a card.

{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 Titania, Protector of Argoth enters the battlefield, return target land card from your graveyard to the battlefield.

Whenever a land you control is put into a graveyard from the battlefield, create a 5/3 green Elemental creature token.

Equipped creature has nonbasic landwalk. (It can't be blocked as long as defending player controls a nonbasic land.)

Equip {2}

Reach

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

When Ulvenwald Hydra enters the battlefield, you may search your library for a land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}.

{T}: Add {U} or {B}. Underground River deals 1 damage to you.

Counter target noncreature spell. Untap up to three lands.

When Uro enters the battlefield, sacrifice it unless it escaped.

Whenever Uro enters the battlefield or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield.

Escape--{G}{G}{U}{U}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

As Vineglimmer Snarl enters the battlefield, you may reveal a Forest or Island card from your hand. If you don't, Vineglimmer Snarl enters the battlefield tapped.

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

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)

Equip {2}

Whenever World Shaper attacks, you may mill three cards.

When World Shaper dies, return all land cards from your graveyard to the battlefield tapped.

Deathtouch, lifelink

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

{T}: Add {C}.

{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.