Flying

When Aarakocra Sneak enters the battlefield, you take the initiative.

{T}: Add {C}.

{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

Flying, lifelink

When Angel of Indemnity enters the battlefield, return target permanent card with mana value 4 or less from your graveyard to the battlefield.

Encore {6}{W}{W} ({6}{W}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Flash

Flying

When Angel of the Dire Hour enters the battlefield, if you cast it from your hand, exile all attacking creatures.

Flying

When Angel of the Ruins enters, exile up to two target artifacts and/or enchantments.

Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

When Apex Altisaur enters the battlefield, it fights up to one target creature you don't control.

Enrage -- Whenever Apex Altisaur is dealt damage, it fights up to one target creature you don't control.

Return all creature and planeswalker cards with mana value X or less from your graveyard to the battlefield. Exile Ascend from Avernus.

Flash

Flying

When Aven Interrupter enters the battlefield, exile target spell. It becomes plotted. (Its owner may cast it as a sorcery on a later turn without paying its mana cost.)

Spells your opponents cast from graveyards or from exile cost {2} more to cast.

Trample

When Avenging Hunter enters the battlefield, you take the initiative.

Azorius Chancery enters the battlefield tapped.

When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.

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

Azorius Guildgate enters the battlefield tapped.

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

{T}: Add {C}.

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

Counter target creature or planeswalker spell. Venture into the dungeon. (Enter the first room or advance to the next room.)

{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.

Flying

{T}: Add one mana of any color.

Flying

Whenever Brago, King Eternal deals combat damage to a player, exile any number of target nonland permanents you control, then return those cards to the battlefield under their owner's control.

{T}: Add {C}.

{T}: Add {G} or {W}. Brushland deals 1 damage to you.

Vigilance

Whenever you cast a creature spell, draw a card, then you may put a land card from your hand onto the battlefield.

{3}, {T}: Return target creature you control to its owner's hand.

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.

When Cloister Gargoyle enters the battlefield, venture into the dungeon. (Enter the first room or advance to the next room.)

As long as you've completed a dungeon, Cloister Gargoyle gets +3/+0 and has flying.

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

Haste

When Craterhoof Behemoth enters the battlefield, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

When Cyclone Summoner enters the battlefield, if you cast it from your hand, return all permanents to their owners' hands except for Giants, Wizards, and lands.

Equipped creature gets +1/+1.

Whenever equipped creature attacks, venture into the dungeon. (Enter the first room or advance to the next room.)

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

Exile X target creatures, then investigate X times. Return the exiled cards to the battlefield tapped under their owners' control at the beginning of the next end step. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Commander creatures you own have "Room abilities of dungeons you own trigger an additional time."

Flying

When Eccentric Apprentice enters the battlefield, venture into the dungeon. (Enter the first room or advance to the next room.)

At the beginning of combat on your turn, if you've completed a dungeon, up to one target creature becomes a Bird with base power and toughness 1/1 and flying until end of turn.

Vigilance

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

Permanents entering the battlefield don't cause abilities of permanents your opponents control to trigger.

+1: Venture into the dungeon. (Enter the first room or advance to the next room.)

-2: Look at the top six cards of your library. You may reveal a creature card from among them and put it into your hand. If it's legendary, you gain 3 life. Put the rest on the bottom of your library in a random order.

-7: You get an emblem with "Creatures you control have trample and haste and get +2/+2 for each differently named dungeon you've completed."

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.

Flying

When Ethereal Investigator enters the battlefield, investigate X times, where X is the number of opponents you have. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Whenever you draw your second card each turn, create a 1/1 white Spirit creature token with flying.

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

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.

When Feywild Caretaker enters the battlefield, you take the initiative.

At the beginning of your end step, if you have the initiative, create a 1/1 blue Faerie Dragon creature token with flying.

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.

Enchant creature

Enchanted creature has flying and "Whenever this creature deals combat damage to a player, venture into the dungeon." (Enter the first room or advance to the next room.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

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.

Vigilance

When Goliath Paladin enters the battlefield, you take the initiative.

Gates you control enter the battlefield untapped.

{T}: Add {C}.

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

Flash

Vigilance

When Guardian of Faith enters the battlefield, any number of other target creatures you control phase out. (Treat them and anything attached to them as though they don't exist until their controller's next turn.)

Room abilities of dungeons you own trigger an additional time.

{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.")

{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.)

({T}: Add {U}.)

Whenever another nontoken creature enters the battlefield under your control, investigate.

{T}, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order.

Vigilance

When Loyal Warhound enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

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.

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

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.

Creatures you control can't be blocked except by legendary creatures.

Whenever one or more creatures you control deal combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.)

Flying

When Moonshaker Cavalry enters the battlefield, creatures you control gain flying and get +X/+X until end of turn, where X is the number of creatures you control.

Flying

When Mulldrifter enters the battlefield, draw two cards.

Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Vigilance

Whenever Nadaar, Selfless Paladin enters the battlefield or attacks, venture into the dungeon. (Enter the first room or advance to the next room.)

Other creatures you control get +1/+1 as long as you've completed a dungeon.

{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.

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

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

Flash

Flying

Exploit (When this creature enters the battlefield, you may sacrifice a creature.)

When Overcharged Amalgam exploits a creature, counter target spell, activated ability, or triggered ability.

Path of Ancestry enters 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.)

({T}: Add {W}.)

Look at the top four cards of your library. You may put a land card from among them onto the battlefield tapped. If you don't, put a card from among them into your hand. Put the rest on the bottom of your library in a random order.

Planar Nexus is every nonbasic land type. (Nonbasic land types include Cave, Desert, Gate, Lair, Locus, Mine, Power-Plant, Sphere, Tower, and Urza's.)

{T}: Add {C}.

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

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.

Flying, lifelink

Whenever Radiant Solar or another nontoken creature enters the battlefield under your control, venture into the dungeon. (Enter the first room or advance to the next room.)

{W}, Discard Radiant Solar: Venture into the dungeon and you gain 3 life.

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

{T}: Add two mana in any combination of colors.

{T}: Until end of turn, target land you control becomes an X/X Citizen creature with haste in addition to its other types, where X is twice the number of Gates you control. Activate only as a sorcery.

Tap an untapped Gate you control: Untap Sage of the Maze.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card 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.

When Seasoned Dungeoneer enters the battlefield, you take the initiative.

Whenever you attack, target attacking Cleric, Rogue, Warrior, or Wizard gains protection from creatures until end of turn. It explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)

Selesnya Guildgate enters the battlefield tapped.

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

Selesnya Sanctuary enters the battlefield tapped.

When Selesnya Sanctuary enters the battlefield, return a land you control to its owner's hand.

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

Flash

When Selfless Squire enters the battlefield, prevent all damage that would be dealt to you this turn.

Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on Selfless Squire.

Vigilance

Whenever a creature enters the battlefield under your control, if its power is greater than Sharp-Eyed Rookie's power or its toughness is greater than Sharp-Eyed Rookie's toughness, put a +1/+1 counter on Sharp-Eyed Rookie and investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Simic Growth Chamber enters the battlefield tapped.

When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand.

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

Simic Guildgate enters the battlefield tapped.

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

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {W}.)

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

Flash

Flying

When Spell Queller enters the battlefield, exile target spell with mana value 4 or less.

When Spell Queller leaves the battlefield, the exiled card's owner may cast that card without paying its mana cost.

Flash

Flying

When Stonecloaker enters, return a creature you control to its owner's hand.

When Stonecloaker enters, exile target card from a graveyard.

When Talon Gates of Madara enters the battlefield, up to one target creature phases out.

{T}: Add {C}.

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

{4}: Put Talon Gates of Madara from your hand onto the battlefield.

When Terastodon enters, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way, its controller creates a 3/3 green Elephant creature token.

Whenever you attack, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a Clue, venture into the dungeon. (Enter the first room or advance to the next room.)

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.

Landfall -- Whenever a land enters the battlefield under your control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a Clue, put a +1/+1 counter on Tireless Tracker.

When Tomb of Horrors Adventurer enters the battlefield, you take the initiative.

Whenever you cast your second spell each turn, copy it. If you've completed a dungeon, copy that spell twice instead. You may choose new targets for the copies. (A copy of a permanent spell becomes a token.)

When Undercellar Sweep enters the battlefield, you take the initiative.

Whenever you attack, if you or a player you're attacking has the initiative, you create two 1/1 white Soldier creature tokens that are tapped and attacking.

Vigilance

When Undermountain Adventurer enters the battlefield, you take the initiative.

{T}: Add {G}{G}. If you've completed a dungeon, add six {G} instead.

Reach, ward {1}

Whenever you cast a creature or planeswalker spell, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.)

Whenever you complete a dungeon, create a 2/2 green Wolf creature token.

Flying

When Wavesifter enters the battlefield, investigate twice. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Evoke {G}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

When White Plume Adventurer enters the battlefield, you take the initiative.

At the beginning of each opponent's upkeep, untap a creature you control. If you've completed a dungeon, untap all creatures you control instead.

Flash (You may cast this spell any time you could cast an instant.)

Flying

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

{T}: Add {C}.

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

Choose one --

• Smash It -- Destroy target artifact.

• Lift the Curse -- Destroy target enchantment.

• Steal Its Eyes -- Create a Treasure token and venture into the dungeon. (Enter the first room or advance to the next room.)

Yuan-Ti Malison can't be blocked as long as it's attacking alone.

Whenever Yuan-Ti Malison deals combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.)