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

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

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

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. {T}, Sacrifice this land: Target creature with power 2 or less can't be blocked this turn.

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

({T}: Add {U}.)

This land 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 {B}.)

Flying When this creature enters, you take the initiative.

When this creature dies, venture into the dungeon. (Enter the first room or advance to the next room.)

Return up to one target creature card from your graveyard to your hand. Venture into the dungeon. (Enter the first room or advance to the next room.)

Defender {4}{U}: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

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

Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card.

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

Return target instant or sorcery card from your graveyard to your hand. Exile Flood of Recollection.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Exile target artifact or creature, then return it to the battlefield under its owner's control with a +1/+1 counter on it.

Exile target creature you control, then return that card to the battlefield under its owner's control. If a Pirate was exiled this way, draw a card.

Flying When this creature enters, exile up to one other target creature you control. Return it to the battlefield under its owner's control at the beginning of the next end step.

Exile target permanent you control. Return that card to the battlefield under its owner's control at the beginning of the next end step. If it enters as a creature, it enters with an additional +1/+1 counter on it.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies or is put into exile from the battlefield, return it to its owner's hand."

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

{1}, {T}: Add {U}{B}.

Whenever this creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

This artifact enters tapped. {T}: Add {U}.

You have no maximum hand size. {T}: Add {C}.

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Defender Whenever you cast an instant or sorcery spell, you may draw a card. If you do, discard a card. This ability triggers only once each turn.

Target creature gains deathtouch until end of turn. Draw a card.

Target player draws two cards and loses 2 life.

Draw three cards, then put two cards from your hand on top of your library in any order.

Commander creatures you own have "When this creature enters or leaves the battlefield, draw a card."

Draw two cards, then discard a card.

This spell costs {1} less to cast if you control a Zombie. Tap target creature. It doesn't untap during its controller's next untap step. Draw a card.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

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

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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

Scry 2, then draw a card.

Target creature can't be blocked this turn. Draw a card.

Target player draws two cards and loses 2 life.

Menace (This creature can't be blocked except by two or more creatures.) When this creature enters, you take the initiative.

Enchant creature Enchanted creature can't be blocked. Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

This creature can't be blocked.

When this Equipment enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Equipped creature can't be blocked as long as its power is 3 or less. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

When this Equipment enters, you take the initiative. Whenever equipped creature becomes blocked, it deals 2 damage to each creature blocking it. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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.

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

Enchant creature When this Aura enters, tap enchanted creature. Enchanted creature has "If this creature would untap during your untap step, remove a +1/+1 counter from it instead. If you do, untap it." (Otherwise, it doesn't untap.)

Counter target spell.

Counter target spell unless its controller pays {2}. If they do, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

When this creature enters, exile another target creature. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Destroy target creature.

Counter target noncreature spell.

Enchant creature When this Aura enters, venture into the dungeon. (Enter the first room or advance to the next room.) Enchanted creature gets -2/-2. It gets -5/-5 instead as long as you've completed a dungeon.