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

{2}, {T}: Draw a card, then discard a card. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

Dynastic Command Node — As long as you control your commander, activated abilities of cards in your graveyard cost {2} less to activate. This effect can't reduce the mana in that ability's activation cost to less than one mana. Translocation Protocols — {3}, {T}: Mill three cards.

You may have Machine God's Effigy enter the battlefield as a copy of any creature on the battlefield, except it's an artifact and it has "{T}: Add {U}." (It's not a creature.) {T}: Add {U}.

{T}: Add two mana in any combination of {U}, {B}, and/or {R}. {3}, {T}: Draw two cards, then discard a card.

You may have Body Double enter the battlefield as a copy of any creature card in a graveyard.

When Breaching Leviathan enters the battlefield, if you cast it from your hand, tap all nonblue creatures. Those creatures don't untap during their controllers' next untap steps.

Flying When Bringer of the Last Gift enters the battlefield, if you cast it, each player sacrifices all other creatures they control. Then each player returns all creature cards from their graveyard that weren't put there this way to the battlefield.

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.

You may have Dack's Duplicate enter the battlefield as a copy of any creature on the battlefield, except it has haste and dethrone. (Whenever it attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Flying When Deathbringer Regent enters the battlefield, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.

When Dread Cacodemon enters the battlefield, if you cast it from your hand, destroy all creatures your opponents control, then tap all other creatures you control.

{2}{R}, {T}: Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.

You may have Flesh Duplicate enter the battlefield as a copy of any creature on the battlefield, except it has vanishing 3 if that creature doesn't have vanishing. (A permanent with vanishing 3 enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Flying {T}: Draw a card, then discard a card. {X}: Likeness Looter becomes a copy of target creature card in your graveyard with mana value X, except it has flying and this ability. Activate only as a sorcery.

{T}: Draw a card, then discard a card.

You may have Mirror Image enter the battlefield as a copy of a creature you control.

Deathtouch, haste {T}, Discard a card: Draw a card. If the discarded card was a creature card, amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Myojin of Cryptic Dreams enters the battlefield with an indestructible counter on it if you cast it from your hand. Remove an indestructible counter from Myojin of Cryptic Dreams: Copy target permanent spell you control three times. (The copies become tokens.)

Myojin of Grim Betrayal enters the battlefield with an indestructible counter on it if you cast it from your hand. Remove an indestructible counter from Myojin of Grim Betrayal: Put onto the battlefield under your control all creature cards in all graveyards that were put there from anywhere this turn.

Myojin of Night's Reach enters the battlefield with a divinity counter on it if you cast it from your hand. Myojin of Night's Reach has indestructible as long as it has a divinity counter on it. Remove a divinity counter from Myojin of Night's Reach: Each opponent discards their hand.

Myojin of Roaring Blades enters the battlefield with an indestructible counter on it if you cast it from your hand. Remove an indestructible counter from Myojin of Roaring Blades: It deals 7 damage to each of up to three targets.

Myojin of Seeing Winds enters the battlefield with a divinity counter on it if you cast it from your hand. Myojin of Seeing Winds has indestructible as long as it has a divinity counter on it. Remove a divinity counter from Myojin of Seeing Winds: Draw a card for each permanent you control.

Blue spells and red spells you cast cost {1} less to cast. {1}{B}: Regenerate Nightscape Familiar.

You may have Phantasmal Image enter the battlefield 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."

When Phyrexian Delver enters the battlefield, return target creature card from your graveyard to the battlefield. You lose life equal to that card's mana value.

({U/P} can be paid with either {U} or 2 life.) You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

Raid — If you attacked this turn, you may have Protean Raider enter the battlefield as a copy of any creature on the battlefield.

Flying When Rune-Scarred Demon enters the battlefield, search your library for a card, put it into your hand, then shuffle.

You may have Sakashima of a Thousand Faces enter the battlefield as a copy of another creature you control, except it has Sakashima of a Thousand Faces's other abilities. The "legend rule" doesn't apply to permanents you control. Partner (You can have two commanders if both have partner.)

Flying Drain Life — When Shard of the Nightbringer enters the battlefield, if you cast it, target opponent loses half their life, rounded up. You gain life equal to the life lost this way.

You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Descend 8 — The Ancient One can't attack or block unless there are eight or more permanent cards in your graveyard. {2}{U}{B}: Draw a card, then discard a card. When you discard a card this way, target player mills cards equal to its mana value.

Body Thief — When you cast this spell, you may exile a creature you control and put a takeover counter on it. You may have The Master, Formed Anew enter the battlefield as a copy of a creature card in exile with a takeover counter on it.

At the beginning of your upkeep, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

As an additional cost to cast this spell, sacrifice a creature. Add X mana in any combination of {B} and/or {R}, where X is the sacrificed creature's mana value.

Counter target spell.

Draw two cards, then discard a card. You gain life equal to the number of cards you've discarded this turn. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Choose one — • Counter target spell with mana value less than or equal to the number of cards in its controller's graveyard. • Destroy target creature with mana value less than or equal to the number of cards in its controller's graveyard.

Search your library for a card, put that card into your graveyard, then shuffle.

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

Counter target noncreature spell.

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

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.)

Draw two cards. Then discard a card unless there are five or more mana values among cards in your graveyard.

Draw three cards. Then discard two cards unless you discard a basic land card.

({T}: Add {B} or {R}.) As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

{T}: Add {U}. Cephalid Coliseum deals 1 damage to you. Threshold — {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

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

Crumbling Necropolis enters the battlefield tapped. {T}: Add {U}, {B}, or {R}.

{T}: Add {C}. {1}{U}{R}, {T}: Draw a card, then discard a card.

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

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

({T}: Add {U}.)

({T}: Add {R}.)

{T}: Add {C}. {1}{U}{B}, {T}: Target player mills three cards.

Path of Ancestry enters the battlefield 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.)

Restless Vents enters the battlefield tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, Restless Vents becomes a 2/3 black and red Insect creature with menace. It's still a land. Whenever Restless Vents attacks, you may discard a card. If you do, draw a card.

{T}: Add {C}. {1}{B}{R}, {T}: Each player discards a card. Activate only as a sorcery.

({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {B}.)

Thriving Bluff enters the battlefield tapped. As Thriving Bluff enters the battlefield, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

Thriving Isle enters the battlefield tapped. As Thriving Isle enters the battlefield, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

Thriving Moor enters the battlefield tapped. As Thriving Moor enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

Vivid Crag enters the battlefield tapped with two charge counters on it. {T}: Add {R}. {T}, Remove a charge counter from Vivid Crag: Add one mana of any color.

Vivid Creek enters the battlefield tapped with two charge counters on it. {T}: Add {U}. {T}, Remove a charge counter from Vivid Creek: Add one mana of any color.

Vivid Marsh enters the battlefield tapped with two charge counters on it. {T}: Add {B}. {T}, Remove a charge counter from Vivid Marsh: Add one mana of any color.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Draw two cards. Then discard a card unless you attacked this turn.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose one. If you descended this turn, you may choose both instead. (You descended if a permanent card was put into your graveyard from anywhere.) • Destroy target creature or planeswalker. • Destroy target noncreature, nonland permanent with mana value 1 or less.

{T}: Add {R}. As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.