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

{T}: Add {W} or {U}. {W/U}{W/U}{W/U}{W/U}, {T}, Sacrifice Azorius Locket: Draw two cards.

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

You have no maximum hand size. {T}: Add one mana of any color.

{T}: Add one mana of any color. {4}, {T}: Look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, you may put it on the bottom of your library.

When Aether Adept enters the battlefield, return target creature to its owner's hand.

When Augur of Bolas enters the battlefield, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Flying When Basilica Shepherd enters the battlefield, create two 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This creature can't block." (Players dealt combat damage by them also get a poison counter.)

When Burdened Aerialist enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Whenever you sacrifice a token, Burdened Aerialist gains flying until end of turn.

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

Lifelink When Disciple of the Sun enters the battlefield, return target permanent card with mana value 3 or less from your graveyard to your hand.

When Frost Lynx enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

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

When Ivory Giant enters the battlefield, tap all nonwhite creatures. Suspend 5—{W} (Rather than cast this card from your hand, you may pay {W} and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

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.)

Whenever Kor Celebrant or another creature enters the battlefield under your control, you gain 1 life.

When Man-o'-War enters the battlefield, return target creature to its owner's hand.

When Merchant of Secrets enters the battlefield, draw a card.

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.)

Flying When Network Disruptor enters the battlefield, tap target permanent.

When Pierce Strider enters the battlefield, target opponent loses 3 life.

When Pondering Mage enters the battlefield, look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

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

When Prosperous Pirates enters the battlefield, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

When Roving Harper enters the battlefield, draw a card.

When Spirited Companion enters the battlefield, draw a card.

When Stagecoach Security enters the battlefield, creatures you control get +1/+1 and gain vigilance until end of turn. Plot {3}{W} (You may pay {3}{W} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

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

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

Draw three cards, then put two cards from your hand on top of your library in any order.

Counter target spell.

Target creature becomes blue until end of turn. Untap that creature. Draw a card.

Look at target player's hand. Draw a card at the beginning of the next turn's upkeep.

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

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Counter target spell.

Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Draw a card.

Draw a card. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

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.)

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

Look at the top three cards of your library. Put one of those cards into your hand, one into your graveyard, and one on the bottom of your library.

Counter target noncreature spell.

Draw a card. Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Scry 1. Draw a card.

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Look at target player's hand. Draw a card.

Look at the top five cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Draw a card.

You gain 3 life. Draw a card.

Investigate. If this spell was cast from a graveyard, investigate twice instead. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Flashback {3}{U}

Counter target spell. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Look at the top three cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library.

Target player mills two cards. Draw a card.

Counter target spell that targets a permanent you control.

Choose one — • Counter target spell. • Tap up to two target creatures.

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}.

Azorius Guildgate enters the battlefield tapped. {T}: Add {W} or {U}.

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

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

({T}: Add {U}.)

Meandering River enters the battlefield tapped. {T}: Add {W} or {U}.

({T}: Add {W}.)

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

Skybridge Towers enters the battlefield tapped. {T}: Add {W} or {U}. {2}{W}{U}, {T}, Sacrifice Skybridge Towers: Draw a card.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Flying When Angel of the Dawn enters the battlefield, creatures you control get +1/+1 and gain vigilance until end of turn.

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

Flying When Celestial Regulator enters the battlefield, choose target creature you don't control and tap it. If you control a creature with a counter on it, the chosen creature doesn't untap during its controller's next untap step.

Vigilance When Court Hussar enters the battlefield, look at the top three cards of your library, then put one of them into your hand and the rest on the bottom of your library in any order. When Court Hussar enters the battlefield, sacrifice it unless {W} was spent to cast it.

Whenever another white creature enters the battlefield under your control, tap target creature an opponent controls.

Flying When Dawnfeather Eagle enters the battlefield, creatures you control get +1/+1 and gain vigilance until end of turn.

Flying {8}: Tap all creatures target player controls.

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

Devoid (This card has no color.) Flying When Eldrazi Skyspawner enters the battlefield, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

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

Return target instant or sorcery card from your graveyard to your hand. Exile Flood of Recollection.

Skulk (This creature can't be blocked by creatures with greater power.) When Fogwalker enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step.

Flying When Frost Trickster enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Flying When Harrier Strix enters the battlefield, tap target permanent. {2}{U}: Draw a card, then discard a card.

When Kor Hookmaster enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

When Leonin Snarecaster enters the battlefield, you may tap target creature.

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.)

Flying When Niblis of the Mist enters the battlefield, you may tap target creature.

Flash Flying When Pestermite enters the battlefield, you may tap or untap target permanent.

Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

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 Somnomancer enters the battlefield, you may tap target creature.

Flying When Soul of Migration enters the battlefield, create two 1/1 white Bird creature tokens with flying. Evoke {3}{W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Flash (You may cast this spell any time you could cast an instant.) When Village Bell-Ringer enters the battlefield, untap all creatures you control.