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.)

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.

{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.

When Archaeomancer's Map enters the battlefield, search your library for up to two basic Plains cards, reveal them, put them into your hand, then shuffle.

Whenever a land enters the battlefield under an opponent's control, if that player controls more lands than you, you may put a land card from your hand onto the battlefield.

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

Creatures your opponents control get -2/-0 until end of turn.

Beyeen Coast enters the battlefield tapped.

{T}: Add {U}.

{T}, Sacrifice a creature: Blasting Station deals 1 damage to any target.

Whenever a creature enters the battlefield, you may untap Blasting Station.

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

Vigilance

When Cavalier of Dawn enters the battlefield, destroy up to one target nonland permanent. Its controller creates a 3/3 colorless Golem artifact creature token.

When Cavalier of Dawn dies, return target artifact or enchantment card from your graveyard to your hand.

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.

Vigilance

When Claim Jumper enters the battlefield, if an opponent controls more lands than you, you may search your library for a Plains card and put it onto the battlefield tapped. Then if an opponent controls more lands than you, repeat this process once. If you search your library this way, shuffle.

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

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

Flash

Crash Landing -- When Commander Sofia Daguerre enters the battlefield, destroy up to one target legendary permanent. That permanent's controller creates a Junk token. (It's an artifact with "{T}, Sacrifice this artifact: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

Enchant creature

Enchanted creature is an Insect artifact creature with base power and toughness 0/1 and has indestructible, and it loses all other abilities, card types, and creature types.

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.

This spell can't be countered.

Counter target noncreature spell.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Ward {2}

When Dusk Rose Reliquary enters the battlefield, exile target artifact or creature an opponent controls until Dusk Rose Reliquary leaves the battlefield.

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.

When Fblthp, the Lost enters the battlefield, draw a card. If it entered from your library or was cast from your library, draw two cards instead.

When Fblthp becomes the target of a spell, shuffle Fblthp into its owner's library.

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

Flying

When Flickerwisp 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.

{T}: Add {C}.

{T}: Roll the planar die. Activate only as a sorcery.

Gates of Istfell enters the battlefield tapped.

{T}: Add {W}.

{2}{W}{U}{U}, {T}, Sacrifice Gates of Istfell: You gain 2 life and draw two cards.

Destroy target creature, enchantment, or planeswalker. Its controller creates two Map tokens. (They're artifacts with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

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

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

When Grasp of Fate enters the battlefield, for each opponent, exile up to one target nonland permanent that player controls until Grasp of Fate leaves the battlefield. (Those permanents return under their owners' control.)

({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.

{W}, {T}, Untap a tapped creature you control: Create a 1/1 green and white Citizen creature token.

{W}{W}, {T}, Untap two tapped creatures you control: Draw a card.

{W}{W}{W}{W}{W}, {T}, Untap fifteen tapped creatures you control: You win the game.

Choose one --

• Destroy X target artifacts and/or enchantments.

• Target player gains twice X life.

{T}: Add {W}.

{T}: Add {U}.

Flying

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

({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}.)

Counter target spell unless its controller pays {1}.

Jwari Ruins enters the battlefield tapped.

{T}: Add {U}.

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}.

Flying, protection from black

Echo {3}{W}{W} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Karmic Guide enters the battlefield, return target creature card from your graveyard to the battlefield.

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.

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.

{T}: Add {C}.

{T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

Vigilance

When Loyal Warhound enters the battlefield, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}.

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

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.)

Flying

When Moonshaker Cavalry enters the battlefield, creatures you control gain flying and get +X/+X until end of turn, where X is the number of creatures you control.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Choose three. You may choose the same mode more than once.

• Counter target spell unless its controller pays {3}.

• Return target creature to its owner's hand.

• Draw a card.

({T}: Add {U}.)

Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands.

When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

When Oji, the Exquisite Blade enters the battlefield, you gain 2 life and scry 2.

Whenever you cast your second spell each turn, exile up to one target creature you control, then return it to the battlefield under its owner's control.

Destroy all nonland permanents.

Ondu Skyruins enters the battlefield tapped.

{T}: Add {W}.

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.

({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}.)

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}.

Flash

When Portal Manipulator enters the battlefield during the declare attackers step, choose target player and any number of target attacking creatures their opponents control. Those creatures are now attacking that player.

({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}: Add {C}.

{1}, {T}: Add one mana of any color.

Return each creature card with mana value X or less from your graveyard to the battlefield. Exile those creatures at the beginning of your next upkeep. Exile Rally the Ancestors.

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.

You have no maximum hand size.

{T}: Add {C}.

Counter target spell. Its controller can't cast spells this turn.

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

Flash

Flying

When Restoration Angel enters the battlefield, you may exile target non-Angel creature you control, then return that card to the battlefield under your control.

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Target creature you control gains protection from the color of your choice until end of turn.

Sejiri Glacier enters the battlefield tapped.

{T}: Add {W}.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

When Skyclave Apparition enters the battlefield, exile up to one target nonland, nontoken permanent you don't control with mana value 4 or less.

When Skyclave Apparition leaves the battlefield, the exiled card's owner creates an X/X blue Illusion creature token, where X is the mana value of the exiled card.

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

Destroy all creatures and planeswalkers except for commanders.

Each player chooses any number of creatures they control with total power 4 or less, then sacrifices all other creatures they control.

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

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 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 Spirited Companion enters the battlefield, draw a card.

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.

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.

Exile target permanent you control. Return that card to the battlefield under its owner's control at the beginning of the next end step. If it enters the battlefield as a creature, it enters with an additional +1/+1 counter on it.

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}.

Thriving Heath enters the battlefield tapped.

As Thriving Heath enters the battlefield, choose a color other than white.

{T}: Add {W} 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.

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

---

Copy target activated or triggered ability you control. You may choose new targets for the copy.

Flash

When Werefox Bodyguard enters the battlefield, exile up to one other target non-Fox creature until Werefox Bodyguard leaves the battlefield.

{1}{W}, Sacrifice Werefox Bodyguard: You gain 2 life.

Exile target creature you don't control. For each creature exiled this way, its controller searches their library for a basic land card. Those players put those cards onto the battlefield tapped, then shuffle.

Overload {4}{W}{W} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")