When Abdel Adrian, Gorion's Ward enters the battlefield, exile any number of other nonland permanents you control until Abdel Adrian leaves the battlefield. Create a 1/1 white Soldier creature token for each permanent exiled this way.

Choose a Background (You can have a Background as a second commander.)

Flash

Ward {2}

Probing Telepathy -- Whenever a creature entering the battlefield under an opponent's control causes a triggered ability of that creature to trigger, you may copy that ability. You may choose new targets for the copy.

When Aether Channeler enters the battlefield, choose one --

• Create a 1/1 white Bird creature token with flying.

• Return another target nonland permanent to its owner's hand.

• Draw a card.

When Agent of Treachery enters the battlefield, gain control of target permanent.

At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

Whenever another nontoken creature enters the battlefield under your control, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Aspiring Aeronaut enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

Flying

Project Image -- When Astral Dragon enters the battlefield, create two tokens that are copies of target noncreature permanent, except they're 3/3 Dragon creatures in addition to their other types, and they have flying.

First strike

When Attended Knight enters the battlefield, create a 1/1 white Soldier creature token.

Flying

When Augury Owl enters the battlefield, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Creatures your opponents control enter the battlefield tapped.

Whenever a creature enters the battlefield under an opponent's control, you gain 1 life.

When Automatic Librarian enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

When Aviary Mechanic enters the battlefield, you may return another permanent you control to its owner's hand.

When Aviation Pioneer enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

When Azorius Arrester enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

When Azorius Justiciar enters the battlefield, detain up to two target creatures your opponents control. (Until your next turn, those creatures can't attack or block and their activated abilities can't be activated.)

When Azure Fleet Admiral enters the battlefield, you become the monarch.

Azure Fleet Admiral can't be blocked by creatures the monarch controls.

Flying

Whenever Brago, King Eternal deals combat damage to a player, exile any number of target nonland permanents you control, then return those cards to the battlefield under their owner's control.

Whenever Brine Comber enters the battlefield or becomes the target of an Aura spell, create a 1/1 white Spirit creature token with flying.

Disturb {W}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Enchant creature

Whenever Brinebound Gift enters the battlefield or enchanted creature becomes the target of an Aura spell, create a 1/1 white Spirit creature token with flying.

If Brinebound Gift would be put into a graveyard from anywhere, exile it instead.

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

Flying

When Cavalier of Gales enters the battlefield, draw three cards, then put two cards from your hand on top of your library in any order.

When Cavalier of Gales dies, shuffle it into its owner's library, then scry 2.

Flying

When Celestial Regulator enters the battlefield, choose target creature you don't control and tap it. If you control a creature with a counter on it, the chosen creature doesn't untap during its controller's next untap step.

When Charming Prince enters the battlefield, choose one --

• Scry 2.

• You gain 3 life.

• Exile another target creature you own. Return it to the battlefield under your control at the beginning of the next end step.

Flying

When Chillbringer enters the battlefield, tap target creature an opponent controls. It doesn't untap during its controller's next untap step.

When Clockwork Fox leaves the battlefield, you draw two cards and each opponent draws a card.

Flying

When Cloud of Faeries enters the battlefield, untap up to two lands.

Cycling {2} ({2}, Discard this card: Draw a card.)

Flying

When Cloudblazer enters the battlefield, you gain 2 life and draw two cards.

Prototype {2}{W} -- 1/1 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Double strike

When Combat Thresher enters the battlefield, draw a card.

When Corridor Monitor enters the battlefield, untap target artifact or creature you control.

When Court of Cunning enters the battlefield, you become the monarch.

At the beginning of your upkeep, any number of target players each mill two cards. If you're the monarch, each of those players mills ten cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

When Cryptic Annelid enters the battlefield, scry 1, then scry 2, then scry 3. (To scry X, look at the top X cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Flying

Other artifact creatures you control have flying.

When Cyberdrive Awakener enters the battlefield, until end of turn, each noncreature artifact you control becomes an artifact creature with base power and toughness 4/4.

Whenever Darksteel Splicer or another nontoken Phyrexian enters the battlefield under your control, create X 3/3 colorless Phyrexian Golem artifact creature tokens, where X is the number of opponents you have.

Golems you control have indestructible.

Dawn of a New Age enters the battlefield with a hope counter on it for each creature you control.

At the beginning of your end step, remove a hope counter from Dawn of a New Age. If you do, draw a card. Then if Dawn of a New Age has no hope counters on it, sacrifice it and you gain 4 life.

When Dawnbringer Cleric enters the battlefield, choose one --

• Cure Wounds -- You gain 2 life.

• Dispel Magic -- Destroy target enchantment.

• Gentle Repose -- Exile target card from a graveyard.

When Deepglow Skate enters the battlefield, double the number of each kind of counter on any number of target permanents.

Flash (You may cast this spell any time you could cast an instant.)

When Deputy of Acquittals enters the battlefield, you may return another target creature you control to its owner's hand.

When Disciple of Caelus Nin enters the battlefield, starting with you, each player chooses up to five permanents they control. All permanents other than Disciple of Caelus Nin that weren't chosen this way phase out.

Permanents can't phase in.

Whenever another creature enters the battlefield under your control, you gain 1 life.

{4}{W}, {T}: Exile another target creature you control, then return it to the battlefield under its owner's control.

Flash

Flying

When Dream Eater enters the battlefield, surveil 4. When you do, you may return target nonland permanent an opponent controls to its owner's hand. (To surveil 4, look at the top four cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Vigilance

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Permanents entering the battlefield don't cause abilities of permanents your opponents control to trigger.

Flying

When Elite Guardmage enters the battlefield, you gain 3 life and draw a card.

+2: You gain 1 life for each creature you control.

-2: Create three 1/1 white Soldier creature tokens.

-5: Destroy all other permanents except for lands and tokens.

+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."

+1: Create three 1/1 white Soldier creature tokens.

-3: Destroy all creatures with power 4 or greater.

-7: You get an emblem with "Creatures you control get +2/+2 and have flying."

Lifelink

When Extraction Specialist enters the battlefield, return target creature card with mana value 2 or less from your graveyard to the battlefield. That creature can't attack or block for as long as you control Extraction Specialist.

Flying

When Faerie Seer enters the battlefield, scry 2.

Whenever a legendary creature with mana value 4 or greater enters the battlefield under your control, you become the monarch.

At the beginning of your end step, if you're the monarch, create two 1/1 white Human Soldier creature tokens.

When Felidar Guardian enters the battlefield, you may exile another target permanent you control, then return that card to the battlefield under its owner's control.

Whenever another creature you control leaves the battlefield, put a +1/+1 counter on Flaming Fist Officer.

When Frost Lynx enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Flying

Whenever Galepowder Mage attacks, exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Flash

You may cast legendary spells and artifact spells as though they had flash.

If a legendary permanent or an artifact entering or leaving the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Vigilance

Geist-Honored Monk's power and toughness are each equal to the number of creatures you control.

When Geist-Honored Monk enters the battlefield, create two 1/1 white Spirit creature tokens with flying.

{2}, {T}: Exile another target creature you control. You may return that card to the battlefield under its owner's control. If you don't, at the beginning of the next end step, return that card to the battlefield under its owner's control with a vigilance counter and a lifelink counter on it.

When Gitaxian Anatomist enters the battlefield, you may tap it. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

You may have Glasspool Mimic enter the battlefield as a copy of a creature you control, except it's a Shapeshifter Rogue in addition to its other types.

Glasspool Shore enters the battlefield tapped.

{T}: Add {U}.

Vigilance

When Glimmerpoint Stag enters the battlefield, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Whenever a creature you control becomes blocked, you may return it to its owner's hand.

Whenever one or more creatures you control deal combat damage to a player, draw a card.

Flying

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

Flying

Hexavus enters the battlefield with six +1/+1 counters on it.

{1}, Remove a +1/+1 counter from Hexavus: Put a flying counter on another target creature.

{1}, Remove a counter from another creature you control: Put a +1/+1 counter on Hexavus.

Flash

This spell can't be countered.

Whenever you cast a spell, choose up to one --

• Return target spell you don't control to its owner's hand.

• Return target nonland permanent to its owner's hand.

Protection Fighting Style -- When Icewind Stalwart enters the battlefield, exile up to one target non-Warrior creature you control, then return it to the battlefield under its owner's control.

Flying

When Inspiring Overseer enters the battlefield, you gain 1 life and draw a card.

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Segovia enters the battlefield, create two 1/1 blue Kraken creature tokens with trample.

Noncreature spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting a noncreature spell pays for {1} or one mana of that creature's color.)

At the beginning of your end step, untap up to four target creatures.

+1: Scry 1, then draw a card.

-2: Return target creature to its owner's hand.

-8: You get an emblem with "Whenever an opponent casts their first spell each turn, counter that spell."

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

+1: Target player mills two cards. Draw a card.

-8: Draw seven cards. Then if your library has no cards in it, you win the game.

When Jeering Homunculus enters the battlefield, you may goad target creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Spells your opponents cast that target a creature or planeswalker you control cost {2} more to cast.

-2: Create a 2/2 blue Wizard creature token. Draw a card, then discard a card.

When Keeper of Keys enters the battlefield, you become the monarch.

At the beginning of your upkeep, if you're the monarch, creatures you control can't be blocked this turn.

When Kiora's Dambreaker enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

First strike

When Knight of the White Orchid 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, then shuffle.

Protection from red

When Lavinia of the Tenth enters the battlefield, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

{1}{W}: Choose another target creature. Its controller may exile it with an aegis counter on it.

{2}{W}, {T}: Return all exiled cards with aegis counters on them to the battlefield under their owners' control.

Partner (You can have two commanders if both have partner.)

Flying, ward {3}

Architect of Deception -- When Lord of Change enters the battlefield, draw three cards.

Flying

When Lyev Skyknight enters the battlefield, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)

When Mage's Attendant enters the battlefield, create a 1/1 blue Wizard creature token with "{1}, Sacrifice this creature: Counter target noncreature spell unless its controller pays {1}."

When Malcator, Purity Overseer enters the battlefield, create a 3/3 colorless Phyrexian Golem artifact creature token.

At the beginning of your end step, if three or more artifacts entered the battlefield under your control this turn, create a 3/3 colorless Phyrexian Golem artifact creature token.

When Man-o'-War enters the battlefield, return target creature to its owner's hand.

When Master Splicer enters the battlefield, create a 3/3 colorless Phyrexian Golem artifact creature token.

Golems you control get +1/+1.

Flying

Whenever Meneldor, Swift Savior deals combat damage to a player, exile up to one target creature you own, then return it to the battlefield under your control.

When Merchant of Secrets enters the battlefield, draw a card.

Vigilance (Attacking doesn't cause this creature to tap.)

When Militia Bugler enters the battlefield, look at the top four cards of your library. You may reveal a creature card with power 2 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever Mistmeadow Vanisher becomes tapped, exile up to one target nonland, nontoken permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

{2}{W}{U}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Flying

When Mulldrifter enters the battlefield, draw two cards.

Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Myojin of Blooming Dawn enters the battlefield with an indestructible counter on it if you cast it from your hand.

Remove an indestructible counter from Myojin of Blooming Dawn: Create a 1/1 colorless Spirit creature token for each permanent you control.

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.)

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.

{3}{U}, {T}: Exile another target creature you control, then return that card to the battlefield under your control.

Flying

When Network Disruptor enters the battlefield, tap target permanent.

Whenever another creature you control leaves the battlefield, put a +1/+1 counter on Ninth Bridge Patrol.

Flying, first strike

Whenever a commander you control enters the battlefield or attacks, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Norn's Inquisitor enters the battlefield, incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Whenever a permanent you control transforms into a Phyrexian, put a +1/+1 counter on it.

Flash

When Omen of the Sea enters the battlefield, scry 2, then draw a card.

{2}{U}, Sacrifice Omen of the Sea: Scry 2.

Whenever an enchantment enters the battlefield under your control, you may create a token that's a copy of it. Do this only once each turn.

When Overwhelmed Apprentice enters the battlefield, each opponent mills two cards. Then you scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Flying

When Peregrine Drake enters the battlefield, untap up to five lands.

When Priest of Ancient Lore enters the battlefield, you gain 1 life and draw a card.

When Protocol Knight enters the battlefield, tap target creature an opponent controls. Put a stun counter on that creature if you control another Knight. (If a permanent with a stun counter would become untapped, remove one from it instead.)

When Pursued Whale enters the battlefield, each opponent creates a 1/1 red Pirate creature token with "This creature can't block" and "Creatures you control attack each combat if able."

Spells your opponents cast that target Pursued Whale cost {3} more to cast.

As Rally the Ranks enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

When Reflector Mage enters the battlefield, return target creature an opponent controls to its owner's hand. That creature's owner can't cast spells with the same name as that creature until your next turn.

Flash

When Resolute Reinforcements enters the battlefield, create a 1/1 white Soldier creature token.

When Roving Harper enters the battlefield, draw a card.

When Scourge of Fleets enters the battlefield, 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.

When Seller of Songbirds enters the battlefield, create a 1/1 white Bird creature token with flying.

Flash

When Sentinel of the Pearl Trident enters the battlefield, you may exile target historic permanent you control. If you do, return that card to the battlefield under its owner's control at the beginning of the next end step. (Artifacts, legendaries, and Sagas are historic.)

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Silverblade Paladin is paired with another creature, both creatures have double strike.

Flying

When Sky Hussar enters the battlefield, untap all creatures you control.

Forecast -- Tap two untapped white and/or blue creatures you control, Reveal Sky Hussar from your hand: Draw a card. (Activate only during your upkeep and only once each turn.)

Flying

When Skyscanner enters the battlefield, draw a card.

Flash

When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Whenever another creature enters the battlefield, you may gain 1 life.

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on Soulherder.

At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

Soulsworn Spirit can't be blocked.

When Soulsworn Spirit enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Flying

When Spire Patrol enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

When Spirited Companion enters the battlefield, draw a card.

Flying

When Subjugator Angel enters the battlefield, tap all creatures your opponents control.

Flying

When Sunblast Angel enters the battlefield, destroy all tapped creatures.

Whenever another creature enters the battlefield under your control, you may gain 1 life.

Whenever a creature enters the battlefield under an opponent's control, you may have that player lose 1 life.

+1: Draw a card. At the beginning of the next end step, untap up to two lands.

-3: Put target nonland permanent into its owner's library third from the top.

-8: You get an emblem with "Whenever you draw a card, exile target permanent an opponent controls."

You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant.

+1: Draw a card, then discard a card.

-3: Target creature you don't control phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

-10: Take two extra turns after this one.

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

-2: Create a 0/3 white Wall creature token with defender.

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature.

At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.

{3}{U}: Tap another target creature.

No more than one creature can attack The Eternal Wanderer each combat.

+1: Exile up to one target artifact or creature. Return that card to the battlefield under its owner's control at the beginning of that player's next end step.

0: Create a 2/2 white Samurai creature token with double strike.

-4: For each player, choose a creature that player controls. Each player sacrifices all creatures they control not chosen this way.

Flash

As long as The Wandering Emperor entered the battlefield this turn, you may activate her loyalty abilities any time you could cast an instant.

+1: Put a +1/+1 counter on up to one target creature. It gains first strike until end of turn.

-1: Create a 2/2 white Samurai creature token with vigilance.

-2: Exile target tapped creature. You gain 2 life.

Flying

When Topplegeist enters the battlefield, tap target creature an opponent controls.

Delirium -- At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, tap target creature that player controls.

When Trophy Mage enters the battlefield, you may search your library for an artifact card with mana value 3, reveal it, put it into your hand, then shuffle.

You may have Undercover Operative enter the battlefield as a copy of any creature on the battlefield, except it enters with a shield counter on it if you control that creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

When Urbis Protector enters the battlefield, create a 4/4 white Angel creature token with flying.

+2: Exile target permanent you own. Return it to the battlefield under your control at the beginning of the next end step.

-1: Creatures can't be blocked this turn.

-8: You get an emblem with "Whenever you cast a spell, exile target permanent."

Flash (You may cast this spell any time you could cast an instant.)

When Village Bell-Ringer enters the battlefield, untap all creatures you control.

When War Priest of Thune enters the battlefield, you may destroy target enchantment.

Hideaway 4 (When this creature enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Watcher for Tomorrow enters the battlefield tapped.

When Watcher for Tomorrow leaves the battlefield, put the exiled card into its owner's hand.

When Watertrap Weaver enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

When Whirler Rogue enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying.

Tap two untapped artifacts you control: Target creature can't be blocked this turn.

Flash

When Whitemane Lion enters the battlefield, return a creature you control to its owner's hand.

When Wing Splicer enters the battlefield, create a 3/3 colorless Phyrexian Golem artifact creature token.

Golem creatures you control have flying.

Gust of Wind -- When Winter Eladrin enters the battlefield, return up to one other target creature to its owner's hand.

Flying

When Wispweaver Angel enters the battlefield, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

Companion -- Your starting deck contains at least twenty cards more than the minimum deck size. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

Flying

When Yorion enters the battlefield, exile any number of other nonland permanents you own and control. Return those cards to the battlefield at the beginning of the next end step.

Flash

When Zulaport Duelist enters the battlefield, up to one target creature gets -2/-0 until end of turn. Its controller mills two cards. (They put the top two cards of their library into their graveyard.)