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.)

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

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

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

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Azorius Chancery enters the battlefield tapped.

When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.

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

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

Golems you control have first strike.

Exile target creature you control, then return that card to the battlefield under its owner's control.

Draw a card.

Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.

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.

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

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

Other Soldier creatures you control get +1/+1 and have vigilance.

When Captain of the Watch enters the battlefield, create three 1/1 white Soldier creature tokens.

Whenever a creature enters the battlefield under your control, put a +1/+1 counter on each creature you control.

When Circuit Mender enters the battlefield, you gain 2 life.

When Circuit Mender leaves the battlefield, draw 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.

Exile target creature you control, then return that card to the battlefield under your control.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

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

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

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.")

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.

Avoidance -- Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield under its owner's control.

If one or more creature tokens would be created under your control, that many 4/4 white Angel creature tokens with flying and vigilance are created instead.

This spell can't be countered.

Counter target noncreature spell.

Flying

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

Exile target creature you control, then return it to the battlefield under its owner's control.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Choose one or more --

• Exile all artifacts.

• Exile all creatures.

• Exile all enchantments.

• Exile all graveyards.

When Fiend Hunter enters the battlefield, you may exile another target creature.

When Fiend Hunter leaves the battlefield, return the exiled card to the battlefield under its owner's control.

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

Counter target noncreature spell.

Exile target creature or enchantment, then return it to the battlefield under its owner's control.

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

Exile each creature you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

When Gilded Pinions enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Equipped creature has flying.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

({T}: Add {W} or {U}.)

Glacial Floodplain enters the battlefield tapped.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

{T}: Add {W} or {U}.

{T}: Add {C}.

{1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

({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.

As Heraldic Banner enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+0.

{T}: Add one mana of the chosen color.

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.

Commander creatures you own have "Creature tokens you control get +2/+2."

Flying

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

Creature tokens you control get +1/+1 and have vigilance.

({T}: Add {W} or {U}.)

Irrigated Farmland enters the battlefield tapped.

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

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

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

Kabira Takedown deals damage equal to the number of creatures you control to target creature or planeswalker.

Kabira Plateau enters the battlefield tapped.

{T}: Add {W}.

Exile all nontoken creatures you control, then roll a d20.

1--9 | Return those cards to the battlefield under their owner's control at the beginning of the next end step.

10--20 | Return those cards to the battlefield under their owner's control, then exile them again. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

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

Disturb {1}{W} (You may cast this card from your graveyard transformed for its disturb cost.)

Flying

Whenever another creature you control leaves the battlefield, you gain 1 life.

If Luminous Phantom would be put into a graveyard from anywhere, exile it instead.

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way.

Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

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

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

You may have Mirrormade enter the battlefield as a copy of any artifact or enchantment on the battlefield.

Exile target creature you control, then return it to the battlefield under its owner's control.

Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Choose target nonlegendary creature. The next time one or more creatures or planeswalkers enter the battlefield this turn, they enter as copies of the chosen creature.

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.)

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

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

Flying

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

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W} or {U}.)

Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

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

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

When Prized Statue enters the battlefield or is put into a graveyard from the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

When Recruiter of the Guard enters the battlefield, you may search your library for a creature card with toughness 2 or less, reveal it, put it into your hand, then shuffle.

{T}: Add one mana of any type that a land you control could produce.

You have no maximum hand size.

{T}: Add {C}.

Sea of Clouds enters the battlefield tapped unless you have two or more opponents.

{T}: Add {W} or {U}.

Exile any number of target creatures and/or planeswalkers you control. At the beginning of the next end step, return each of them to the battlefield under its owner's control. Each of them enters the battlefield with an additional +1/+1 counter on it if it's a creature and an additional loyalty counter on it if it's a planeswalker.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

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

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.

When Spellseeker enters the battlefield, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.

Vigilance

Whenever Sun Titan enters the battlefield or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Equipped creature gets +2/+2 and has protection from green and from white.

Whenever equipped creature deals combat damage to a player, exile up to one target creature you own, then search your library for a basic land card. Put both cards onto the battlefield under your control, then shuffle.

Equip {2}

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.

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

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.

You have no maximum hand size.

{T}: Add {C}.

When Tribute Mage enters the battlefield, you may search your library for an artifact card with mana value 2, reveal that card, put it into your hand, then shuffle.

Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

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.