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.)

Flying

Whenever Aerial Extortionist enters the battlefield or deals combat damage to a player, exile up to one target nonland permanent. For as long as that card remains exiled, its owner may cast it.

Whenever another player casts a spell from anywhere other than their hand, draw a card.

Choose one. If you control a commander as you cast this spell, you may choose both instead.

• Creatures you control gain flying, vigilance, and double strike until end of turn.

• Creatures you control gain lifelink, indestructible, and protection from all colors until end of turn.

Flying

When Angel of the Ruins enters, exile up to two target artifacts and/or enchantments.

Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

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

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

{T}: Add {C}.

{5}, {T}: Draw a card. Activate only if you have the city's blessing.

First strike

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

Choose two --

• Destroy all artifacts.

• Destroy all enchantments.

• Destroy all creatures with mana value 3 or less.

• Destroy all creatures with mana value 4 or greater.

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.)

At the beginning of each end step, if you created a token this turn, draw a card.

As Caged Sun enters the battlefield, choose a color.

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

Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

Flying

Feeder Mandibles -- When Canoptek Scarab Swarm enters the battlefield, exile target player's graveyard. For each artifact or land card exiled this way, create a 1/1 colorless Insect artifact creature token with flying.

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.

Revolt -- When Countless Gears Renegade enters the battlefield, if a permanent you controlled left the battlefield this turn, create a 1/1 colorless Servo artifact creature token.

{T}: Add one mana of any color.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Whenever you're dealt damage, you may create that many 1/1 white Soldier creature tokens.

Choose one --

• Prevent all combat damage that would be dealt this turn.

• Regenerate target creature.

• Counter target spell that targets you.

Vigilance

As an additional cost to cast white permanent spells, you may pay 2 life. Those spells cost {W} less to cast if you paid life this way. This effect reduces only the amount of white mana you pay.

Whenever you cast a white permanent spell, create a 1/1 white Soldier creature token.

Drifting Meadow enters the battlefield tapped.

{T}: Add {W}.

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

When Dwarven Priest enters the battlefield, you gain 1 life for each creature you control.

+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."

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.

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.)

Exile all creatures except those that share a creature type with a creature that convoked this spell, all artifacts, and all enchantments.

Commander creatures you own have "At the beginning of your end step, exile up to one target tapped creature you control, then return it to the battlefield under its owner's control."

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.

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

Flying

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

As From the Rubble enters the battlefield, choose a creature type.

At the beginning of your end step, return target creature card of the chosen type from your graveyard to the battlefield with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)

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.

{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.

{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.

Hidden Courtyard enters the battlefield tapped.

{T}: Add {W}.

{4}{W}, {T}, Sacrifice Hidden Courtyard: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

{T}: Add {C}. ({C} represents colorless mana.)

{T}, Tap an untapped creature you control: Add one mana of any 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.

Flying

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

Exile target creature you control, then return that card to the battlefield under its owner's control. It gains first strike until end of turn.

When Kor Cartographer enters, you may search your library for a Plains card, put it onto the battlefield tapped, 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.

Exile target creature. At the beginning of the next end step, return that card to the battlefield under its owner's control with a +1/+1 counter on it.

Vigilance

When Loyal Warhound enters, 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.

Changeling (This card is every creature type.)

{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Whenever a creature enters the battlefield, if it was cast, exile it, then return all other permanent cards exiled with Mirror of Life Trapping to the battlefield under their owners' 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.

Vigilance

If one or more creature tokens would be created under your control, three times that many of those tokens are created instead.

When Ojer Taq dies, return it to the battlefield tapped and transformed under its owner's control.

(Transforms from Ojer Taq, Deepest Foundation.)

{T}: Add {W}.

{2}{W}, {T}: Transform Temple of Civilization. Activate only if you attacked with three or more creatures this turn and only as a sorcery.

Flash

When Omen of the Sun enters, create two 1/1 white Human Soldier creature tokens and you gain 2 life.

{2}{W}, Sacrifice Omen of the Sun: Scry 2.

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}.)

({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}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Planar Atlas enters tapped.

When Planar Atlas enters, you may look at the top four cards of your library. If you do, reveal up to one land card from among them, then put that card on top of your library and the rest on the bottom in a random order.

{T}: Add {C}.

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

Hideaway 5 (When this enchantment enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Whenever you attack with one or more creatures, create that many 1/1 green and white Citizen creature tokens. Then if you control ten or more creatures, you may play the exiled card without paying its mana cost.

When Rambunctious Mutt enters, destroy target artifact or enchantment an opponent controls.

When Reverent Hoplite enters, create a number of 1/1 white Human Soldier creature tokens equal to your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)

When Roving Harper enters the battlefield, draw a card.

Alliance -- Whenever another creature you control enters, scry 1. If this is the second time this ability has resolved this turn, draw a card instead.

{T}: Add one mana of any color.

{T}: Add three mana of any one color. Activate only if you control three or more lands with the same name.

Secluded Steppe enters the battlefield tapped.

{T}: Add {W}.

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

Return target permanent card with mana value 3 or less from your graveyard to the battlefield. If this spell was cast from a graveyard, you may copy this spell and may choose a new target for the copy.

Flashback {4}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Exile target creature you own, then return it to the battlefield under your control. The Ring tempts you.

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

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

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.

When Spirited Companion enters, draw a card.

{T}, Tap an untapped creature you control: Add one mana of any color.

Return all creature cards from your graveyard to the battlefield. Each of them is a 1/1 Spirit with flying in addition to its other types. Exile Storm of Souls.

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

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.

When Tinker's Tote enters the battlefield, create two 1/1 colorless Gnome artifact creature tokens.

{W}, Sacrifice Tinker's Tote: You gain 3 life.

Creatures you control gain indestructible until end of turn.

Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.

Defender

When Wall of Omens enters the battlefield, draw a card.

{T}: Add {C}.

{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

Hideaway 4 (When this land 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.)

Windbrisk Heights enters the battlefield tapped.

{T}: Add {W}.

{W}, {T}: You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.

When Zhalfirin Void enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{T}: Add {C}.