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

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

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

{T}, Sacrifice Jeweled Lotus: Add three mana of any one color. Spend this mana only to cast your commander.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. {T}: Add {C}{C}.

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

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

{T}: Add {C}. {T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

{T}: Add {C}. {T}: Add {W} or {B}. Talisman of Hierarchy deals 1 damage to you.

{T}: Add {C}. {T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

Arcane Life-support — If you would lose the game, instead exile The Golden Throne and your life total becomes 1. A Thousand Souls Die Every Day — {T}, Sacrifice a creature: Add three mana in any combination of colors.

Vigilance Adeline, Resplendent Cathar's power is equal to the number of creatures you control. Whenever you attack, for each opponent, create a 1/1 white Human creature token that's tapped and attacking that player or a planeswalker they control.

Leading from the Front — Whenever Commissar Severina Raine attacks, each opponent loses X life, where X is the number of other attacking creatures. Summary Execution — {2}, Sacrifice another creature: You gain 2 life and draw a card.

Shadow (This creature can block or be blocked by only creatures with shadow.) If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it. {T}, Sacrifice Dauthi Voidwalker: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power.

Flying Whenever a nontoken creature enters the battlefield under an opponent's control, create a token that's a copy of that creature except it's an artifact in addition to its other types. Then exile all other tokens created with Faerie Artisans.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Whenever one or more creatures you control deal combat damage to a player, create two Treasure tokens. {B}, Sacrifice X Treasures: Target creature gets -X/-X until end of turn. Activate only as a sorcery.

Vigilance Unquestionable Wisdom — Other creatures you control get +1/+0 and have vigilance. Hunt for Heresy — {1}, {T}: Tap target creature an opponent controls. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

At the beginning of your end step, if you control no creatures with decayed, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

If you would draw a card while your library has no cards in it, you win the game instead.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast a noncreature spell, create a 1/1 white Monk creature token with prowess.

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens. Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on Nadir Kraken and create a 1/1 blue Tentacle creature token.

Flash You control your opponents while they're searching their libraries. While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.

Menace Ward—Pay 3 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.) Magecraft — Whenever you cast or copy an instant or sorcery spell, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

Deathtouch Whenever you draw a card, you gain 2 life. Whenever an opponent draws a card, they lose 2 life.

Flash Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.) Benediction of the Omnissiah — When Sicarian Infiltrator enters the battlefield, draw a card.

When Thraben Inspector enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.

At the beginning of your precombat main phase, choose one or more — • Sell Contraband — Create a Treasure token. You lose 1 life. • Buy Information — Draw a card. You lose 2 life. • Hire a Mercenary — Create a 3/2 colorless Shapeshifter creature token with changeling. You lose 3 life. (It has every creature type.)

Landfall — Whenever a land enters the battlefield under your control, choose one — • Create a 2/2 white Cat Beast creature token. • Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

Discard a card: You may tap or untap target artifact, creature, or land.

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}.

When Rest in Peace enters the battlefield, exile all graveyards. If a card or token would be put into a graveyard from anywhere, exile it instead.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

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 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.")

Add {B}{B}{B}.

This spell can't be countered. Counter target noncreature spell.

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

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

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Destroy target creature or enchantment.

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

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Exile target creature. Its controller gains life equal to its power.

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.) Exile Teferi's Protection.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Arcane Sanctum enters the battlefield tapped. {T}: Add {W}, {U}, or {B}.

{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

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

Castle Ardenvale enters the battlefield tapped unless you control a Plains. {T}: Add {W}. {2}{W}{W}, {T}: Create a 1/1 white Human creature token.

Whenever City of Brass becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

{T}: Add {C}. {T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

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

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

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

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. {T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

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

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

({T}: Add {U}.)

Isolated Chapel enters the battlefield tapped unless you control a Plains or a Swamp. {T}: Add {W} or {B}.

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

Morphic Pool enters the battlefield tapped unless you have two or more opponents. {T}: Add {U} or {B}.

({T}: Add {W}.)

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

({T}: Add {W}, {U}, or {B}.) Raffine's Tower enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

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

{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

Sea of Clouds enters the battlefield tapped unless you have two or more opponents. {T}: Add {W} or {U}.

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

{T}: Add {C}. {T}, Sacrifice Strip Mine: Destroy target land.

({T}: Add {B}.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Urza's Saga gains "{T}: Add {C}." II — Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'" III — Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

Vault of Champions enters the battlefield tapped unless you have two or more opponents. {T}: Add {W} or {B}.

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Destroy all creatures.

Choose one or more — • Exile all artifacts. • Exile all creatures. • Exile all enchantments. • Exile all graveyards.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Strive — This spell costs {1} more to cast for each target beyond the first. Until end of turn, any number of target creatures each gain "Whenever this creature attacks, create a 1/1 white Soldier creature token that's tapped and attacking."

Create two 1/1 white Spirit creature tokens with flying. Flashback {1}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose a creature type. Creatures you control of the chosen type get +1/+0 and gain indestructible until end of turn.

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.) Arco-Flagellant can't block. Endurant — Pay 3 life: Arco-Flagellant gains indestructible until end of turn.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

First strike, menace Chainsword — Whenever a creature an opponent controls dies, that player loses 2 life.

Commander creatures you control get +2/+2 and have indestructible.

Ultima Founding — {T}, Tap two untapped artifacts you control: Create a 2/2 white Astartes Warrior creature token with vigilance. Master of Machines — {T}, Tap X untapped creatures you control: Look at the top X cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Create a 2/2 white Astartes Warrior creature token with vigilance for each opponent you have. II — Each opponent sacrifices a creature. III — Draw two cards for each opponent who controls fewer creatures than you.

Flash Polymorphine — You may have Callidus Assassin enter the battlefield tapped as a copy of any creature on the battlefield, except it has "When this creature enters the battlefield, destroy up to one other target creature with the same name as this creature."

Flying, lifelink Healing Tears — At the beginning of your end step, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of life you gained this turn.

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped. {T}: Add {U} or {B}.

Escalate—Tap an untapped creature you control. (Pay this cost for each mode chosen beyond the first.) Choose one or more — • Destroy target creature with power 4 or greater. • Destroy target enchantment. • Put a +1/+1 counter on each creature target player controls.

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

Command Section — When Company Commander enters the battlefield, create a number of 1/1 white Soldier creature tokens equal to the number of opponents you have. Bring it Down! — Whenever Company Commander attacks, creatures you control gain deathtouch until end of turn.

Protection from Robots Field Reprogramming — {U}, {T}: Target player draws a card. Another target player creates a 4/4 colorless Robot artifact creature token with "This creature can't block."

When Defenders of Humanity enters the battlefield, create X 2/2 white Astartes Warrior creature tokens with vigilance. {X}{2}{W}, Exile Defenders of Humanity: Create X 2/2 white Astartes Warrior creature tokens with vigilance. Activate only if you control no creatures and only during your turn.

Counter target spell, activated ability, or triggered ability. Its controller loses life equal to the number of creatures you control.

Create X 1/1 white Soldier creature tokens, where X is the number of creatures on the battlefield.

Dismal Backwater enters the battlefield tapped. When Dismal Backwater enters the battlefield, you gain 1 life. {T}: Add {U} or {B}.

Target player sacrifices an attacking creature. You create X 1/1 white Soldier creature tokens, where X is that creature's toughness.

Veil of Time — Whenever Epistolary Librarian attacks, you may cast a spell with mana value X or less from your hand without paying its mana cost, where X is the number of attacking creatures.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on Everflowing Chalice.

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

Nonland permanents your opponents control lose indestructible until end of turn. Destroy all nonland permanents.

Destroy all creatures with power greater than target creature's power.

Creatures you control get +2/+2 and gain vigilance and lifelink until end of turn.

Flash Rites of Banishment — When Grey Knight Paragon enters the battlefield, destroy target attacking creature. If that creature is a Demon, exile it instead.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Destroy all nontoken creatures.

You may reveal the first card you draw each turn as you draw it. Whenever you reveal an instant or sorcery card this way, create Cherubael, a legendary 4/4 black Demon creature token with flying. Whenever Inquisitor Eisenhorn deals combat damage to a player, investigate that many times. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Inquisition Agents — Whenever equipped creature attacks, create a 2/2 white Astartes Warrior creature token with vigilance that's attacking. Then attacking creatures gain menace until end of turn. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Trample Rapid-fire Battle Cannon — When Knight Paladin enters the battlefield, it deals 4 damage to each opponent. Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Create X 1/1 white Soldier creature tokens. If X is 5 or more, destroy all other creatures.

Memorial to Glory enters the battlefield tapped. {T}: Add {W}. {3}{W}, {T}, Sacrifice Memorial to Glory: Create two 1/1 white Soldier creature tokens.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Rogue Trader — Whenever Neyam Shai Murad deals combat damage to a player, you may have that player return target permanent card from their graveyard to their hand. If you do, that player chooses a permanent card in your graveyard, then you put it onto the battlefield under your control.

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.)

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Rosarius — Whenever Primaris Chaplain attacks, it gains indestructible until end of turn.

When Primaris Eliminator enters the battlefield, choose one — • Executioner Round — Destroy target creature. • Hyperfrag Round — Creatures target player controls get -2/-2 until end of turn.

Void Shields — Protection from mana value 3 or less Gatling Blaster — Whenever Reaver Titan attacks, it deals 5 damage to each opponent. Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)

Whenever a creature you control deals combat damage to a player, you may draw a card. Cycling {2} ({2}, Discard this card: Draw a card.)

Fallen Warrior — As an additional cost to cast this spell, you may exile a creature card from your graveyard. Trample Plasma Incinerator — Whenever Redemptor Dreadnought attacks, if a card is exiled with it, it gets +X/+X until end of turn, where X is the power of the exiled card.

Lifelink Blood Chalice — Whenever another creature you control dies, Sanguinary Priest deals 1 damage to any target.

Scoured Barrens enters the battlefield tapped. When Scoured Barrens enters the battlefield, you gain 1 life. {T}: Add {W} or {B}.

Medicus Ministorum — When Sister Hospitaller enters the battlefield, return target creature card from your graveyard to the battlefield. You gain life equal to its mana value.

Flash Psychic Abomination — When Sister of Silence enters the battlefield, counter target instant spell, sorcery spell, activated ability, or triggered ability.

Martyrdom — When Sister Repentia dies, you gain 2 life and draw two cards. Miracle {W}{B} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.) Grav-cannon — When Space Marine Devastator enters the battlefield, destroy up to one target artifact or enchantment.

First strike, vigilance Concealed Position — When Space Marine Scout enters the battlefield, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

({T}: Add {U} or {B}.) Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

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

When The Flesh Is Weak enters the battlefield, put a +1/+1 counter on each creature you control. Creatures you control with +1/+1 counters on them are artifacts in addition to their other types. Nonartifact creatures get -1/-1.

Flying When Thunderhawk Gunship enters the battlefield, create two 2/2 white Astartes Warrior creature tokens with vigilance. Whenever Thunderhawk Gunship attacks, attacking creatures you control gain flying until end of turn. Crew 2

First strike Crushing Teeth — Whenever Thunderwolf Cavalry deals combat damage to a player, put a +1/+1 counter on each other creature you control.

Tranquil Cove enters the battlefield tapped. When Tranquil Cove enters the battlefield, you gain 1 life. {T}: Add {W} or {U}.

Lifelink Praesidium Protectiva — When Triumph of Saint Katherine is put into your graveyard from the battlefield, exile it and the top six cards of your library in a face-down pile. If you do, shuffle that pile and put it back on top of your library. Miracle {1}{W} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.) Other creatures you control get +1/+1.

Exile target nonland permanent.

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.) Flying Suppressing Fire — Whenever Vanguard Suppressor deals combat damage to a player, draw a card.

Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. You may repeat this process any number of times.

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

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

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

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

Vigilance Whenever Brimaz, King of Oreskos attacks, create a 1/1 white Cat Soldier creature token with vigilance that's attacking. Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that's blocking that creature.

Whenever you discard a card, you may exile that card from your graveyard. {2}, {T}: Draw a card, then discard a card. {T}: Put a card exiled with Currency Converter into your graveyard. If it's a land card, create a Treasure token. If it's a nonland card, create a 2/2 black Rogue creature token.

Destroy all creatures. They can't be regenerated.

Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you reveal a card with the chosen name. Put that card into your hand and exile all other cards revealed this way.

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

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

Your opponents can't cast spells from anywhere other than their hands.

+1: Create a 1/1 white Soldier creature token. +1: Target creature gets +3/+3 and gains flying until end of turn. −8: You get an emblem with "Artifacts, creatures, enchantments, and lands you control have indestructible."

If you control a commander, you may cast this spell without paying its mana cost. Creatures you control gain indestructible until end of turn.

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

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Flying When Gilded Drake enters the battlefield, exchange control of Gilded Drake and up to one target creature an opponent controls. If you don't or can't make an exchange, sacrifice Gilded Drake. This ability still resolves if its target becomes illegal.

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.

Exile all opponents' graveyards. You may cast spells from among those cards this turn, and mana of any type can be spent to cast them. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards. Exile Mnemonic Betrayal.

Skip your draw step. Whenever you discard a card, exile that card from your graveyard. Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Flash If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

{1}, {T}: Draw two cards, then discard a card. Create a 1/1 colorless Pilot creature token with "This creature crews Vehicles as though its power were 2 greater." Crew 8 (Tap any number of creatures you control with total power 8 or more: This Vehicle becomes an artifact creature until end of turn.) Shorikai, Genesis Engine can be your commander.

Exile the top card of your library. You may put that card into your hand unless it has the same name as another card exiled this way. Repeat this process until you put a card into your hand or you exile two cards with the same name, whichever comes first.

When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Nonland permanent cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries.