Flying, vigilance

{T}: When target creature other than Adarkar Valkyrie dies this turn, return that card to the battlefield under your control.

Reveal the top four cards of your library. You may put a creature card from among them onto the battlefield. It gains "At the beginning of your end step, return this creature to its owner's hand." Then put the rest of the cards revealed this way on the bottom of your library in any order.

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.

Destroy all artifacts, creatures, and enchantments.

Cycling {3} ({3}, Discard this card: Draw a card.)

+1: Draw a card, then put a card from your hand on top of your library.

-1: Exile another target permanent you own, then return it to the battlefield under your control.

-6: Choose left or right. Each player gains control of all nonland permanents other than Aminatou, the Fateshifter controlled by the next player in the chosen direction.

Aminatou, the Fateshifter can be your commander.

Flying, vigilance

{2}{W}, {T}: Exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

{2}{W}, {T}, Exert Angel of Condemnation: Exile another target creature until Angel of Condemnation leaves the battlefield. (An exerted creature won't untap during your next untap step.)

Arcane Sanctum enters the battlefield tapped.

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

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}.

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

When Basilica Bell-Haunt enters the battlefield, each opponent discards a card and you gain 3 life.

Return up to three target creatures to their owners' hands.

Castle Locthwain enters the battlefield tapped unless you control a Swamp.

{T}: Add {B}.

{1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

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.

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

Sacrifice Commander's Sphere: Draw a card.

This spell can't be countered.

Draw two cards, then amass X, where X is the number of cards in your hand. (Put X +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)

Whenever another creature enters the battlefield under your control, each opponent loses 1 life.

Indestructible (Effects that say "destroy" don't destroy this artifact.)

{T}: Add one mana of any color.

Dimir Aqueduct enters the battlefield tapped.

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

{T}: Add {U}{B}.

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

When Dinrova Horror enters the battlefield, return target permanent to its owner's hand, then that player discards a card.

Flying, lifelink

Whenever you draw a card, Dream Trawler gets +1/+0 until end of turn.

Whenever Dream Trawler attacks, draw a card.

Discard a card: Dream Trawler gains hexproof until end of turn. Tap it.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

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

Imprint -- When Duplicant enters the battlefield, you may exile target nontoken creature.

As long as a card exiled with Duplicant is a creature card, Duplicant has the power, toughness, and creature types of the last creature card exiled with Duplicant. It's still a Shapeshifter.

When Dusk Legion Zealot enters the battlefield, you draw a card and you lose 1 life.

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.

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.)

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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.

Firemind Vessel enters tapped.

{T}: Add two mana of different colors.

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

Draw a card for each Island you control.

Deathtouch

When Gonti, Lord of Luxury enters the battlefield, look at the top four cards of target opponent's library, exile one of them face down, then put the rest on the bottom of that library in a random order. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast it.

At the beginning of combat on your turn, if you both own and control Graf Rats and a creature named Midnight Scavengers, exile them, then meld them into Chittering Host.

Halimar Depths enters tapped.

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

{T}: Add {U}.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.

Equip {5}

When Hostage Taker enters, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

Destroy all creatures you don't control and all planeswalkers you don't control.

Scry 3, then reveal the top card of your library. Draw cards equal to that card's mana value. (To 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.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

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

At the beginning of your upkeep, each player draws a card. If you have the city's blessing, instead only you draw a card.

Vigilance

When Lumbering Battlement enters the battlefield, exile any number of other nontoken creatures you control until it leaves the battlefield.

Lumbering Battlement gets +2/+2 for each card exiled with it.

Flying

When Magister Sphinx enters the battlefield, target player's life total becomes 10.

When Mana Geode enters the battlefield, scry 1.

{T}: Add one mana of any color.

Menace

When Massacre Girl enters the battlefield, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.

Flash

When Merfolk Trickster enters, tap target creature an opponent controls. It loses all abilities until end of turn.

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

When Midnight Scavengers enters the battlefield, you may return target creature card with mana value 3 or less from your graveyard to your hand.

(Melds with Graf Rats.)

Mortuary Mire enters the battlefield tapped.

When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library.

{T}: Add {B}.

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.)

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.

New Benalia enters the battlefield tapped.

When New Benalia 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 {W}.

Flying

Whenever another nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of that creature, except it's 1/1 and it's a Nightmare in addition to its other types.

When Oath of Teferi enters the battlefield, exile another target permanent you control. Return it to the battlefield under its owner's control at the beginning of the next end step.

You may activate the loyalty abilities of planeswalkers you control twice each turn rather than only once.

Flash

When Omen of the Dead enters the battlefield, return target creature card from your graveyard to your hand.

{2}{B}, Sacrifice Omen of the Dead: Scry 2.

Flying

Order of Midnight can't block.

---

Return target creature card from your graveyard to your hand. (Then exile this card. You may cast the creature later from exile.)

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

Flying

When Peregrine Drake enters, 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}.)

When Ravenous Chupacabra enters the battlefield, destroy target creature an opponent controls.

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.

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

When Riddlemaster Sphinx enters the battlefield, you may return target creature an opponent controls to its owner's hand.

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

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.

You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Flying

When Sphinx of Uthuun enters the battlefield, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

{T}: Add one mana of any color.

{5}, {T}: Tap target creature.

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

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

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.

Temple of Deceit enters the battlefield tapped.

When Temple of Deceit enters the battlefield, scry 1.

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

Temple of Enlightenment enters tapped.

When Temple of Enlightenment enters, scry 1.

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

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.

Draw three cards.

Adamant -- If at least three blue mana was spent to cast this spell, scry 3.

When Vessel of Endless Rest enters the battlefield, put target card from a graveyard on the bottom of its owner's library.

{T}: Add one mana of any color.

You may have Vizier of Many Faces enter the battlefield as a copy of any creature on the battlefield, except if Vizier of Many Faces was embalmed, the token has no mana cost, it's white, and it's a Zombie in addition to its other types.

Embalm {3}{U}{U}

{T}: Add {C}.

{2}, {T}, Sacrifice Warped Landscape: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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, 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.

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, 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.