When Act of Authority enters the battlefield, you may exile target artifact or enchantment.

At the beginning of your upkeep, you may exile target artifact or enchantment. If you do, its controller gains control of Act of Authority.

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.

When Aligned Hedron Network enters the battlefield, exile all creatures with power 5 or greater until Aligned Hedron Network leaves the battlefield. (Those creatures return under their owners' control.)

Flying

When Angel of Finality enters the battlefield, exile target player's graveyard.

Flying

When Angel of Serenity enters the battlefield, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards.

When Angel of Serenity leaves the battlefield, return the exiled cards to their owners' hands.

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

Flying

When Arcanist's Owl enters the battlefield, look at the top four cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

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

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.

Enchant creature

Enchanted creature can't be blocked unless defending player pays {3} for each creature they control that's blocking it.

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}.

Basalt Monolith doesn't untap during your untap step.

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

{3}: Untap Basalt Monolith.

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.

Revolt -- At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a unity counter on Call for Unity.

Creatures you control get +1/+1 for each unity counter on Call for Unity.

Castle Vantress enters the battlefield tapped unless you control an Island.

{T}: Add {U}.

{2}{U}{U}, {T}: Scry 2.

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 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.

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

Counter target spell.

Flying

When Diluvian Primordial enters the battlefield, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead.

Exile any number of target creatures you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Devoid (This card has no color.)

{2}{C}: Exile another target creature, then return it to the battlefield tapped under its owner's control. ({C} represents colorless mana.)

{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.

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

Flying

{U}, Sacrifice Glen Elendra Archmage: Counter target noncreature spell.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Flash

Flying

When Glorious Protector enters the battlefield, you may exile any number of non-Angel creatures you control until Glorious Protector leaves the battlefield.

Foretell {2}{W}

Halimar Depths enters the battlefield tapped.

When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order.

{T}: Add {U}.

{T}: Add {C}.

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

Creatures your opponents control enter the battlefield tapped.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.

{T}: Add {C}.

{4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

({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}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Flying

When Jace's Mindseeker enters the battlefield, target opponent mills five cards. You may cast an instant or sorcery spell from among them without paying its mana cost.

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.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Create an 8/8 blue Kraken creature token with hexproof.

II -- Tap all nonland permanents target opponent controls. They don't untap during their controller's next untap step.

III -- Gain control of target permanent an opponent controls. Untap it.

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.)

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

Search your library for a card, then shuffle and put that card third from the top.

Marble Diamond enters the battlefield tapped.

{T}: Add {W}.

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

Golems you control get +1/+1.

{T}, Put a page counter on Mazemind Tome: Scry 1.

{2}, {T}, Put a page counter on Mazemind Tome: Draw a card.

When there are four or more page counters on Mazemind Tome, exile it. If you do, you gain 4 life.

Flying

When Nevermaker leaves the battlefield, put target nonland permanent on top of its owner's library.

Evoke {3}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Flash

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

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

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.

Fading 5 (This enchantment enters the battlefield with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

Remove a fade counter from Parallax Tide: Exile target land.

When Parallax Tide leaves the battlefield, each player returns to the battlefield all cards they own exiled with Parallax Tide.

({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}.

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

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

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Enchant permanent

Vanishing 3 (This Aura enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

When Reality Acid leaves the battlefield, enchanted permanent's controller sacrifices it.

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.

You have no maximum hand size.

{T}: Add {C}.

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

When Rishadan Footpad enters the battlefield, each opponent sacrifices a permanent unless they pay {2}.

Return all nonland permanents target player controls to their owner's hand.

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.")

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.)

{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 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 Stalking Leonin enters the battlefield, secretly choose an opponent.

Reveal the player you chose: Exile target creature that's attacking you if it's controlled by the chosen player. Activate only once.

When Stonehorn Dignitary enters the battlefield, target opponent skips their next combat phase.

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

This spell can't be countered.

Destroy all creatures.

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

{T}: Add {C}.

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

+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."

{T}: Add {C}{C}. Activate only if you control five or more lands.

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

At the beginning of your upkeep, scry 1.

{1}{U}: Target creature you control can't be blocked this turn.

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

Transmogrifying Wand enters the battlefield with three charge counters on it.

{1}, {T}, Remove a charge counter from Transmogrifying Wand: Destroy target creature. Its controller creates a 2/4 white Ox creature token. Activate only as a sorcery.

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.

Enchant creature

When Unquestioned Authority enters the battlefield, draw a card.

Enchanted creature has protection from creatures.

Flash

When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.

Buyback--Sacrifice three Islands. (You may sacrifice three Islands in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)

Target player takes an extra turn after this one.

Defender

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

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.

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)

Equip {2}