Have

Mind Sculpt

Idyllic Beachfront

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

Aven Augur

Flying
Sacrifice Aven Augur: Return up to two target creatures to their owners' hands. Activate only during your upkeep.

Envelop

Stormscape Familiar

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

Island

Command Tower

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

Counterspell

Inspiring Roar

Put a +1/+1 counter on each creature you control.

Serra Disciple

Flying, first strike
Whenever you cast a historic spell, Serra Disciple gets +1/+1 until end of turn. (Artifacts, legendaries, and Sagas are historic.)

Steeple Roc

Arcane Signet

Wings of the Guard

Flying
Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)

Hoodwink

Return target artifact, enchantment, or land to its owner's hand.

Expedition Raptor

Flying
When Expedition Raptor enters the battlefield, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

Divine Light

Prevent all damage that would be dealt this turn to creatures you control.

Crookclaw Transmuter

Flash
Flying
When Crookclaw Transmuter enters the battlefield, switch target creature's power and toughness until end of turn.

Robe of Mirrors

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Didn't Say Please

Counter target spell. Its controller mills three cards.

Supply-Line Cranes

Flying
When Supply-Line Cranes enters the battlefield, put a +1/+1 counter on target creature.

Essence Scatter

Sky Theater Strix

Flying
Whenever you cast a noncreature spell, Sky Theater Strix gets +1/+0 until end of turn.

Festival of Trokin

You gain 2 life for each creature you control.

Aven Wind Mage

Flying
Whenever you cast an instant or sorcery spell, Aven Wind Mage gets +1/+1 until end of turn.

Courier Hawk

Aven Surveyor

Flying
When Aven Surveyor enters the battlefield, choose one —
• Put a +1/+1 counter on Aven Surveyor.
• Return target creature to its owner's hand.

Expanded Anatomy

Put two +1/+1 counters on target creature. It gains vigilance until end of turn.

Dispel

Hyena Umbra

Enchant creature
Enchanted creature gets +1/+1 and has first strike.
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Thrummingbird

Flying
Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Gustcloak Harrier

Flying
Whenever Gustcloak Harrier becomes blocked, you may untap it and remove it from combat.

Watcher of the Spheres

Flying
Creature spells with flying you cast cost {1} less to cast.
Whenever another creature with flying enters the battlefield under your control, Watcher of the Spheres gets +1/+1 until end of turn.

Dauntless Aven

Flying
Whenever Dauntless Aven attacks, untap target creature you control.

Contentious Plan

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Draw a card.

Dawnfeather Eagle

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

Revoke Existence

Airborne Aid

Draw a card for each Bird on the battlefield.

Mist Raven

Flying
When Mist Raven enters the battlefield, return target creature to its owner's hand.

Protective Bubble

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

Aven Fogbringer

Flying
When Aven Fogbringer enters the battlefield, return target land to its owner's hand.

Cloudfin Raptor

Flying
Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Battlewise Aven

Flying
Threshold — As long as seven or more cards are in your graveyard, Battlewise Aven gets +1/+1 and has first strike.

Battlefield Raptor

Churning Eddy

Return target creature and target land to their owners' hands.

Benevolent Blessing

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.

Aven Redeemer

Flying
{T}: Prevent the next 2 damage that would be dealt to any target this turn.

Disdainful Stroke

Counter target spell with mana value 4 or greater.

Aven Trailblazer

Flying
Domain — Aven Trailblazer's toughness is equal to the number of basic land types among lands you control.

Combat Professor

Flying
At the beginning of combat on your turn, target creature you control gets +1/+0 and gains vigilance until end of turn.

Confound

Counter target spell that targets a creature.
Draw a card.

Azorius Guildgate

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

Castle Raptors

Flying
As long as Castle Raptors is untapped, it gets +0/+2.

Gust of Wind

This spell costs {2} less to cast if you control a creature with flying.
Return target nonland permanent you don't control to its owner's hand.
Draw a card.

Convolute

Counter target spell unless its controller pays {4}.

Healer's Hawk

Cancel

Tazeem Raptor

Flying
When Tazeem Raptor enters the battlefield, you may return a land you control to its owner's hand.

Mammoth Umbra

Enchant creature
Enchanted creature gets +3/+3 and has vigilance.
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Warden of Evos Isle

Flying
Creature spells with flying you cast cost {1} less to cast.

Sigil of Sleep

Enchant creature
Whenever enchanted creature deals damage to a player, return target creature that player controls to its owner's hand.

Silverflame Ritual

Put a +1/+1 counter on each creature you control.
Adamant — If at least three white mana was spent to cast this spell, creatures you control gain vigilance until end of turn.

Dramatic Reversal

Untap all nonland permanents you control.

Stealth Mission

Put two +1/+1 counters on target creature you control. That creature can't be blocked this turn.

Aerial Assault

Destroy target tapped creature. You gain 1 life for each creature you control with flying.

Misstep

Creatures target player controls don't untap during that player's next untap step.

Plains

Mindstatic

Counter target spell unless its controller pays {6}.

Apex Hawks

Multikicker {1}{W} (You may pay an additional {1}{W} any number of times as you cast this spell.)
Flying
Apex Hawks enters the battlefield with a +1/+1 counter on it for each time it was kicked.

Stalwart Aven

Flying (This creature can't be blocked except by creatures with flying or reach.)
Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)