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

{4}, {T}: Target opponent exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of that library in a random order.

This artifact enters tapped. {2}, {T}, Sacrifice this artifact: You take the initiative, gain 3 life, draw a card, and create a Treasure token. Activate only as a sorcery. (A Treasure token is an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Equipped creature gets +1/+0 and has trample. Equip {1}{R} When this Equipment enters, roll a d20. 1—9 | Create a 1/1 red Goblin creature token. 10—20 | Create a 1/1 red Goblin creature token, then attach this Equipment to it.

Flash {5}, {T}, Sacrifice this artifact: Choose target creature, then roll a d20. 1—9 | This artifact deals 5 damage to that creature. 10—20 | This artifact deals 5 damage to that creature. Create a Treasure token.

{T}: Add {C}. {T}: Add {U} or {R}. This artifact deals 1 damage to you.

{2}, {T}: Roll a d20 and subtract the number of cards in your hand. If the result is 0 or less, discard your hand. 1—9 | Return a card at random from your graveyard to your hand. 10—19 | Draw two cards. 20 | Put a creature card from any graveyard onto the battlefield under your control. When that creature dies, its owner loses the game.

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.)

{4}, Sacrifice this artifact: Roll a d20. 1 | Trapped! — You lose 3 life. 2—9 | Create five Treasure tokens. 10—19 | You gain 3 life and draw three cards. 20 | Search your library for a card. If it's an artifact card, you may put it onto the battlefield. Otherwise, put that card into your hand. Then shuffle.

{4}, {T}: Roll a d20. Each opponent exiles cards from the top of their library until they exile an instant or sorcery card, then shuffles the rest into their library. You may cast up to X instant and/or sorcery spells from among cards exiled this way without paying their mana costs. 1—9 | X is one. 10—19 | X is two. 20 | X is three.

Flying When this creature enters, you take the initiative.

Psionic Spells — When this creature enters, choose target instant or sorcery card in your graveyard, then roll a d20. 1—9 | You may put that card on top of your library. 10—20 | Return that card to your hand.

Search the Room — {5}{U}: Roll a d20. 1—9 | Draw a card. 10—20 | Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

When this creature enters, you take the initiative. Crown of Madness — {1}{R}, Sacrifice an artifact or creature: Goad target creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Whenever you roll one or more dice, this creature deals 1 damage to each opponent.

Wild Magic Surge — Whenever this creature attacks, roll a d20. 1—9 | Exile the top card of your library. You may play it this turn. 10—19 | Exile the top two cards of your library. You may play them this turn. 20 | Exile the top three cards of your library. You may play them this turn.

{6}, Roll a d8: Monstrosity X, where X is the result. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) Berserk — When this creature becomes monstrous, destroy target permanent.

When this creature enters, venture into the dungeon. (Enter the first room or advance to the next room.) Displacement — {3}{U}: Return this creature to its owner's hand.

Siege Monster — When this creature enters, roll a d20. 1—9 | Each player sacrifices a permanent of their choice. 10—19 | Each opponent sacrifices a permanent of their choice. 20 | Each opponent sacrifices two permanents of their choice.

Flying When this creature enters, 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.

When this creature enters, 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.

Whenever you roll one or more dice, create a 1/1 blue Faerie Dragon creature token with flying.

Instant and sorcery spells you cast cost {1} less to cast.

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) At the beginning of your end step, if you have the initiative, draw a card. Draw another card if you've completed a dungeon. Choose a Background (You can have a Background as a second commander.)

Whenever this creature attacks, roll a d20 for each player being attacked and ignore all but the highest roll. 1—9 | This creature deals damage equal to its power to you. 10—19 | This creature deals damage equal to its power to defending player. 20 | This creature deals damage equal to its power to each opponent.

Whenever you cast an instant or sorcery spell with mana value 3 or greater, roll a d20. 1-9 | Each player draws a card. 10-19 | You draw a card. 20 | Copy that spell. You may choose new targets for the copy.

Flying Grant an Advantage — If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll.

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.)

When this creature enters, roll a d20. 1—9 | Create a 1/1 red Goblin creature token. 10—19 | Create two of those tokens. 20 | Create three of those tokens.

When this creature enters, 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.)

(Gain the next level as a sorcery to add its ability.) If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll. {1}{R}: Level 2 Whenever you roll one or more dice, target creature you control gets +2/+0 and gains menace until end of turn. {2}{R}: Level 3 Creatures you control have haste.

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.)

When this enchantment enters, you take the initiative and create a Treasure token. Whenever you attack the player who has the initiative, create a Treasure token. Loud Ruckus — Whenever you complete a dungeon, create a 5/5 red Dragon creature token with flying.

Focus Beam — At the beginning of your upkeep, roll a d4. Scry X, where X is the result. Perfect Illumination — Whenever you roll a die's highest natural result, draw a card.

Counter target spell. If that spell targets a commander you control, instead counter that spell, scry 2, then draw a card.

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

Cast this spell only before combat or during combat before blockers are declared. Roll two d20 and ignore the lower roll. 1—14 | Choose any number of creatures. They block this turn if able. 15—20 | You choose which creatures block this turn and how those creatures block.

Gain control of target spell that targets only a single permanent or player. Copy it, then reselect the targets at random for the spell and the copy. The new targets can't be you or a permanent you control.

Roll a d20. 1—9 | Draw two cards. 10—19 | Scry 2, then draw two cards. 20 | Scry 3, then draw three cards.

Target creature gains double strike until end of turn. When you roll a natural 20, return this card from your graveyard to your hand. (A natural 20 is a roll that displays 20 on the die.)

Roll a d20 and add the number of cards in your hand. 1—14 | Draw X cards. 15+ | Scry X, then draw X cards.

Draw two cards, then discard two cards. Untap up to three lands.

Destroy target permanent an opponent controls. Its controller reveals cards from the top of their library until they reveal a permanent card that shares a card type with that permanent. They put that card onto the battlefield and the rest on the bottom of their library in a random order.

Choose target spell or ability with one or more targets. Roll a d20 and add the greatest power among creatures you control. 1—14 | You may choose new targets for that spell or ability. 15+ | You may choose new targets for that spell or ability. Then copy it. You may choose new targets for the copy.

Choose one — • Foil Their Scheme — Counter target spell. • Learn Their Secrets — Draw two cards, then discard two cards.

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

This land enters tapped. {T}: Add {U} or {R}.

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

({T}: Add {U} or {R}.) This land enters tapped.

({T}: Add {R}.)

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

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {R}.

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

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

{T}: Add {C}. {3}, {T}: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

This artifact enters tapped. {T}: Add {C}. {4}: Roll a d6. Until end of turn, you may have this artifact become an X/X Insect artifact creature with flying, where X is the result. Whenever this artifact attacks, another target attacking creature gains flying until end of turn.

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

When this artifact enters, you take the initiative. {T}: Add {C}. If you have the initiative, add {C}{C} instead. {3}, {T}: Exile cards from the top of your library until you exile a nonland card. You may cast that card without paying its mana cost. Activate only if you've completed a dungeon.

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

Roll a d20. 1—9 | Tap all creatures your opponents control. 10—19 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. 20 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. Until your next turn, creatures your opponents control enter tapped.

Put a +1/+1 counter on target creature. That creature gains haste until end of turn and can't be blocked by Walls this turn. Venture into the dungeon. (Enter the first room or advance to the next room.)

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Choose one — • Destroy target artifact. • Roll a six-sided die. When you do, Slight Malfunction deals 1 damage to each of up to X target creatures, where X is the result.

Choose target player. Return half the creatures they control to their owner's hand, rounded up.