{U}: Exile Aetherling. Return it to the battlefield under its owner's control at the beginning of the next end step.

{U}: Aetherling can't be blocked this turn.

{1}: Aetherling gets +1/-1 until end of turn.

{1}: Aetherling gets -1/+1 until end of turn.

For each attacking creature, its owner puts it on the top or bottom of their library.

+1: You gain 2 life.

-1: Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

-6: Create a white Avatar creature token. It has "This creature's power and toughness are each equal to your life total."

Choose a color. Creatures you control gain protection from the chosen color until end of turn.

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

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.

Exile target creature or enchantment.

Flying

Inspired -- Whenever Arbiter of the Ideal becomes untapped, reveal the top card of your library. If it's an artifact, creature, or land card, you may put it onto the battlefield with a manifestation counter on it. That permanent is an enchantment in addition to its other types.

Flying

Whenever Archon of the Triumvirate attacks, detain up to two target nonland permanents your opponents control. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

When you cast this spell, you may return target creature card from your graveyard to the battlefield.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Gain control of target Aura that's attached to a permanent. Attach it to another permanent it can enchant.

Flying, vigilance

{1}{W}: Prevent all damage that would be dealt to another target creature this turn by sources of the color of your choice.

{5}{W}{W}: Prevent all damage that would be dealt to target player or planeswalker this turn by sources of the color of your choice.

Azorius Guildgate enters the battlefield tapped.

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

When Banisher Priest enters, exile target creature an opponent controls until Banisher Priest leaves the battlefield. (That creature returns under its owner's control.)

When Boonweaver Giant enters, you may search your graveyard, hand, and/or library for an Aura card and put it onto the battlefield attached to Boonweaver Giant. If you search your library this way, shuffle.

Vigilance

Whenever Brimaz, King of Oreskos attacks, create a 1/1 white Cat Soldier creature token with vigilance that's attacking.

Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that's blocking that creature.

Create a token that's a copy of target creature you control.

Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{T}: Add {U}. Cephalid Coliseum deals 1 damage to you.

Threshold -- {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

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

Target player gains 2 life for each creature on the battlefield.

Kicker {6} (You may pay an additional {6} as you cast this spell.)

Create six 1/1 white Kor Soldier creature tokens. If this spell was kicked, create twelve of those tokens instead.

Coral Atoll enters the battlefield tapped.

When Coral Atoll enters the battlefield, sacrifice it unless you return an untapped Island you control to its owner's hand.

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

Choose one or both --

• Return target enchantment card from your graveyard to your hand.

• Destroy target enchantment.

Deep-Sea Kraken can't be blocked.

Suspend 9--{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with nine time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Whenever an opponent casts a spell, if Deep-Sea Kraken is suspended, remove a time counter from it.

When Detention Sphere enters the battlefield, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent.

When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control.

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 target attacking or blocking creature.

Tap any number of untapped creatures you control. Create a 4/4 white Angel creature token with flying for each creature tapped this way.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Each creature your opponents control is an Illusion in addition to its other types and has "When this creature becomes the target of a spell or ability, sacrifice it."

Equipped creature has defender and "{2}, {T}: Other creatures you control gain trample and get +X/+X until end of turn, where X is this creature's power."

Equip {3}

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

{3}, {T}, Sacrifice Dreamstone Hedron: Draw three cards.

Vigilance

Other creatures you control get +2/+2.

Creatures your opponents control get -2/-2.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

Destroy all creatures and all permanents attached to creatures.

Indestructible

As long as your devotion to white and blue is less than seven, Ephara isn't a creature.

At the beginning of each upkeep, if you had another creature enter the battlefield under your control last turn, draw a card.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)

Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.

{T}: Add {C} for each charge counter on Everflowing Chalice.

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

Enchant creature

When enchanted creature dies, return that card to the battlefield under your control.

When Fool's Demise is put into a graveyard from the battlefield, return Fool's Demise to its owner's hand.

{T}: Add {C}.

{T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

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

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

Flying

Whenever a creature you control becomes blocked, you may untap that creature and remove it from combat.

When Heliod's Pilgrim enters the battlefield, you may search your library for an Aura card, reveal it, put it into your hand, then shuffle.

Flash (You may cast this spell any time you could cast an instant.)

Vigilance

Enchant creature

When Infinite Reflection enters the battlefield attached to a creature, each other nontoken creature you control becomes a copy of that creature.

Nontoken creatures you control enter the battlefield as a copy of enchanted creature.

Enchant creature

Enchanted creature can't be blocked except by Walls.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Kabira Crossroads enters the battlefield tapped.

When Kabira Crossroads enters the battlefield, you gain 2 life.

{T}: Add {W}.

Morph {4}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Kheru Spellsnatcher is turned face up, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.

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.)

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

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

Whenever Lorthos, the Tidemaker attacks, you may pay {8}. If you do, tap up to eight target permanents. Those permanents don't untap during their controllers' next untap steps.

Flying

When Lyev Skyknight enters the battlefield, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)

Flying

Whenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost.

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.

{W}{U}: Target creature gains flying until end of turn.

{3}{W}{U}: Detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)

{T}: Add {C}.

{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

({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}.)

Enchant creature

Enchanted creature doesn't untap during its controller's untap step.

Forecast -- {W}{U}, Reveal Plumes of Peace from your hand: Tap target creature. (Activate only during your upkeep and only once each turn.)

Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.

When Radiant Fountain enters the battlefield, you gain 2 life.

{T}: Add {C}.

Change the target of target spell that targets only a player. The new target must be a player.

You have no maximum hand size.

{T}: Add {C}.

Remote Isle enters the battlefield tapped.

{T}: Add {U}.

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

Exile target artifact or enchantment.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)

Secluded Steppe enters the battlefield tapped.

{T}: Add {W}.

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

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

Vigilance

{4}{W}{W}: Creatures you control get +2/+2 and gain first strike and lifelink until end of turn.

{4}{W}{W}, Exile Soul of Theros from your graveyard: Creatures you control get +2/+2 and gain first strike and lifelink until end of turn.

Flying

Shroud (This creature can't be the target of spells or abilities.)

You may look at the top card of your library any time.

You gain X life and draw X cards.

{2}{U}, {T}: Each player mills three cards. Exile up to two creature cards put into graveyards this way. Create an X/X blue Zombie creature token, where X is the total power of the cards exiled this way.

Hexproof

Lieutenant -- As long as you control your commander, Stormsurge Kraken gets +2/+2 and has "Whenever Stormsurge Kraken becomes blocked, you may draw two cards."

This spell can't be countered.

Destroy all creatures.

When Suspension Field enters the battlefield, you may exile target creature with toughness 3 or greater until Suspension Field leaves the battlefield. (That creature returns under its owner's control.)

Whenever another creature you control enters, you may gain 1 life.

Whenever a creature an opponent controls enters, you may have that player lose 1 life.

{T}: Add {C}.

{1}, {T}, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

+1: 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.

-1: Untap up to four target permanents.

-10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."

Teferi, Temporal Archmage can be your commander.

Temple of Enlightenment enters tapped.

When Temple of Enlightenment enters, scry 1.

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

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

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

Tranquil Cove enters the battlefield tapped.

When Tranquil Cove enters the battlefield, you gain 1 life.

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

{T}: Add {C}.

{7}, {T}, Sacrifice Unstable Obelisk: Destroy target permanent.

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

Enchant creature

Enchanted creature gets +1/+3 and has flying.

Worn Powerstone enters the battlefield tapped.

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

{T}: Add {C}.

Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)