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

Sacrifice a creature: Add {C}{C}.

Whenever a creature you control deals combat damage to a player, you may draw a card. {1}{U}, {T}: Creatures your opponents control attack this turn if able.

{2}, {T}, Sacrifice this artifact: Draw three cards, then put two cards from your hand on top of your library in any order.

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Blue spells you cast cost {1} less to cast.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

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

If a creature an opponent controls would die, exile it instead. {2}, {T}, Sacrifice Stone of Erech: Exile target player's graveyard. Draw a card.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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

As Throne of Eldraine enters, choose a color. {T}: Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color. {3}, {T}: Draw two cards. Spend only mana of the chosen color to activate this ability.

Flying Whenever an opponent draws a card, you may draw two cards.

Eluge's power and toughness are each equal to the number of Islands you control. Whenever Eluge enters or attacks, put a flood counter on target land. It's an Island in addition to its other types for as long as it has a flood counter on it. The first instant or sorcery spell you cast each turn costs {U} (or {1}) less to cast for each land you control with a flood counter on it.

Flash Whenever a creature you control deals combat damage to a player, draw a card. When Enduring Curiosity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Flash Flying Whenever an opponent draws their second card each turn, you draw a card. {3}{U}: Each player draws a card.

Nonbasic lands are Islands.

Flash At the beginning of your end step, draw seven cards. Each opponent's maximum hand size is reduced by seven.

Flying Whenever a player casts their second spell each turn, this creature connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Flash Flying Whenever Malcolm deals combat damage to a player, put a chorus counter on it. Draw a card, then discard a card. If there are four or more chorus counters on Malcolm, you may cast the discarded card without paying its mana cost.

Flying {1}, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Each other creature you control of the chosen type enters with an additional +1/+1 counter on it.

Flying Whenever you draw a card, put a +1/+1 counter on this creature.

Flying When this creature becomes the target of a spell or ability, sacrifice it.

You may have this creature enter as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Ward {2} As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

At the beginning of your upkeep, each player draws a card. Whenever an opponent draws a card, that player loses 1 life.

Creatures you control with power or toughness 1 or less can't be blocked.

Partner with Pir, Imaginative Rascal (When this creature enters, target player may put Pir into their hand from their library, then shuffle.) Whenever you draw a card, put a +1/+1 counter on Toothy. When Toothy leaves the battlefield, draw a card for each +1/+1 counter on it.

Nonbasic lands don't untap during their controllers' untap steps.

Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Flash (You may cast this spell any time you could cast an instant.) At the beginning of each player's draw step, that player draws an additional card.

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Enchanted creature loses all abilities and is a black Skeleton creature with base power and toughness 1/1. (It loses all other colors, card types, and creature types.)

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Whenever you draw a card, put a foreshadow counter on this enchantment. Remove eight foreshadow counters from this enchantment: Create an 8/8 blue Kraken creature token. Cycling {2} ({2}, Discard this card: Draw a card.)

When Proft's Eidetic Memory enters, draw a card. You have no maximum hand size. At the beginning of combat on your turn, if you've drawn more than one card this turn, put X +1/+1 counters on target creature you control, where X is the number of cards you've drawn this turn minus one.

If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Enchant creature Enchanted creature loses all abilities and is a Toy artifact creature with base power and toughness 0/2 in addition to its other types. As long as enchanted creature is face down, it can't be turned face up.

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.

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

Counter target spell.

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell.

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

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

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Counter target spell. Untap up to four lands.

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

This land enters tapped unless you control an Island. {T}: Add {U}. {U}, {T}: The next spell you cast this turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

{T}: Add {C}. {2}, {T}, Sacrifice this land: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

{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.

({T}: Add {U}.)

{T}: Add {C}. {T}, Sacrifice a creature: Add one mana of any color. {X}{2}, {T}, Sacrifice a Desert: Exile target creature card with mana value X from your graveyard. Create a token that's a copy of it, except it's a 4/4 black Zombie. Activate only as a sorcery.

This land enters tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

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

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

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

{T}: Add {U}. Channel — {3}{U}, Discard this card: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.

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

Rivendell enters tapped unless you control a legendary creature. {T}: Add {U}. {1}{U}, {T}: Scry 2. Activate only if you control a legendary creature.

Take an extra turn after this one.

Draw three cards. Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

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

Return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control. Foretell {1}{U}{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.)

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

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

Counter target spell. If an artifact or creature spell is countered this way, put that card onto the battlefield under your control instead of into its owner's graveyard.

Flash (You may cast this spell any time you could cast an instant.) Whenever this creature is dealt damage, draw that many cards.

Take an extra turn after this one. If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owner's library instead.

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.)

This spell can't be copied. Choose one. If an opponent has eight or more cards in their graveyard, you may choose both instead. • Copy target spell. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.) • Create a token that's a copy of target creature.

Counter target artifact, creature, or planeswalker spell. Its controller creates a 2/2 blue Bird creature token with flying.

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) You have no maximum hand size. Max speed — If you would draw a card, draw two cards instead.