Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Return target permanent to its owner's hand.

Counter target spell.

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

When Journey to Nowhere enters the battlefield, exile target creature. When Journey to Nowhere leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Prevent all damage that sources of the color of your choice would deal this turn. Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

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

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

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

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

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

You have no maximum hand size. {T}: Add {C}.

Defender When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Flying When Peregrine Drake enters the battlefield, untap up to five lands.

When Alabaster Host Intercessor enters the battlefield, exile target creature an opponent controls until Alabaster Host Intercessor leaves the battlefield. Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

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.

Flying When Eagles of the North enters the battlefield, creatures you control get +1/+0 and gain first strike until end of turn. Plainscycling {1} ({1}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

When Jeering Homunculus enters the battlefield, you may goad target creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

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.)

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

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

Flying When Aarakocra Sneak enters the battlefield, you take the initiative.

Flying When Cloudkin Seer enters the battlefield, draw a card.

Flying When Dream Thief enters the battlefield, draw a card if you've cast another blue spell this turn.

Vigilance When Goliath Paladin enters the battlefield, you take the initiative.

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.

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

Draw three cards. Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

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

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.

When Spirited Companion enters the battlefield, draw a card.

Flash Enchant creature Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Enchant creature Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.

Flash Enchant creature As Benevolent Blessing enters the battlefield, choose a color. Enchanted creature has protection from the chosen color. This effect doesn't remove Auras and Equipment you control that are already attached to it.

Flash Enchant creature As Cho-Manno's Blessing enters the battlefield, choose a color. Enchanted creature has protection from the chosen color. This effect doesn't remove Cho-Manno's Blessing.

Enchant creature Enchanted creature gets +1/+1 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, each other creature that's attacking one of your opponents gets +1/+1 until end of turn.

Enchant creature Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, you scry 2.

Enchant creature Enchanted creature can't attack you or planeswalkers you control. Enchanted creature can't block creatures you control.

Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card.

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

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

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.)

Flying When Faerie Seer enters the battlefield, scry 2.

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

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

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.)

Exile target artifact or creature, then return it to the battlefield under its owner's control with a +1/+1 counter on it.

Exile up to one target artifact, creature, or enchantment you control, then return it to the battlefield under its owner's control. Draw a card.

Exile target creature you control, then return that card to the battlefield under its owner's control. If a Pirate was exiled this way, draw a card.

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

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}.

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

({T}: Add {W} or {U}.) Glacial Floodplain enters the battlefield tapped.

({T}: Add {W} or {U}.) Idyllic Beachfront enters the battlefield tapped.

({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.

{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.

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Razortide Bridge enters the battlefield tapped. Indestructible {T}: Add {W} or {U}.

Sejiri Steppe enters the battlefield tapped. When Sejiri Steppe enters the battlefield, target creature you control gains protection from the color of your choice until end of turn. {T}: Add {W}.

({T}: Add {U}.)

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

When Sailor of Means enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flying White spells and black spells you cast cost {1} less to cast.

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Counter target instant or sorcery spell. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

({S} can be paid with one mana from a snow source.) When Arcum's Astrolabe enters the battlefield, draw a card. {1}, {T}: Add one mana of any color.

Enchant creature you control When Chains of Custody enters the battlefield, exile target nonland permanent an opponent controls until Chains of Custody leaves the battlefield. Enchanted creature has ward {2}. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

When Corridor Monitor enters the battlefield, untap target artifact or creature you control.

Defender (This creature can't attack.) Flying Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

{T}: Add {W}.

Protection Fighting Style — When Icewind Stalwart enters the battlefield, exile up to one target non-Warrior creature you control, then return it to the battlefield under its owner's control.

Vigilance (Attacking doesn't cause this creature to tap.) When Militia Bugler enters the battlefield, look at the top four cards of your library. You may reveal a creature card with power 2 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Counter target noncreature spell.

Flying {T}: Add one mana of any color.

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

When Roving Harper enters the battlefield, draw a card.

Whenever another blue creature enters the battlefield under your control, target player mills two cards.