{T}: Add {C}.

{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

Draw a card for each Bird on the battlefield.

Destroy all artifacts, creatures, and enchantments.

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

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

Flying

Other Bird creatures get +1/+1.

Other Soldier creatures get +1/+1.

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

When Aven Cloudchaser enters the battlefield, destroy target enchantment.

Flying

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

When Aven Fisher dies, you may draw a card.

Flying

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

Flying, protection from red

Flying

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

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

{W}{U}: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

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

Create two 1/1 white Bird creature tokens with flying.

Flashback--Tap three untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target permanent to its owner's hand.

{T}: Add {C}.

{1}, {T}: Put a storage counter on Calciform Pools.

{1}, Remove X storage counters from Calciform Pools: Add X mana in any combination of {W} and/or {U}.

Untapped creatures you control get +0/+2.

Flying

When Celestial Gatekeeper dies, exile it, then return up to two target Bird and/or Cleric permanent cards from your graveyard to the battlefield.

Flying, protection from green

Coastal Tower enters the battlefield tapped.

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

Flying, protection from creatures

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

Sacrifice Commander's Sphere: Draw a card.

Flying

Tap two untapped Birds you control: Draw a card.

Tap two untapped Wizards you control: Target creature gains flying until end of turn.

{T}: Add {C}.

{W}, {T}: Target Soldier creature gets +1/+1 until end of turn.

Flying, protection from Dragons

Flying

Other creatures you control with flying get +1/+1.

Whenever you cast a creature spell, you may pay {1}. If you do, return target creature to its owner's hand.

Return target permanent to its owner's hand.

Destroy target creature or planeswalker. Its controller investigates. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Commander creatures you own have "Whenever you cast a spell that shares a creature type with this creature, draw a card. This ability triggers only once each turn."

Target blocking creature gets +4/+4 until end of turn.

Draw a card.

Creatures you control get +1/+1.

Flying

{2}{W}: Choose a color. Creatures you control gain protection from the chosen color until end of turn. Activate only if Glory is in your graveyard.

Flying

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

Flying

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

Flying

High Sentinels of Arashin gets +1/+1 for each other creature you control with a +1/+1 counter on it.

{3}{W}: Put a +1/+1 counter on target creature.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Flying

Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.

Flying

Whenever Kangee's Lieutenant attacks, attacking creatures with flying get +1/+1 until end of turn.

Encore {5}{W} ({5}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Kicker {X}{2} (You may pay an additional {X}{2} as you cast this spell.)

Flying

When Kangee, Aerie Keeper enters the battlefield, if it was kicked, put X feather counters on it.

Other Bird creatures get +1/+1 for each feather counter on Kangee, Aerie Keeper.

Flying, vigilance

Whenever Kangee, Sky Warden attacks, attacking creatures with flying get +2/+0 until end of turn.

Whenever Kangee blocks, blocking creatures with flying get +0/+2 until end of turn.

Flying

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

Flying

{T}, Tap two untapped Birds you control: Return target permanent to its owner's hand.

Whenever a player casts a blue spell, you may gain 1 life.

Flying

{1}{W}, Sacrifice Lieutenant Kirtar: Exile target attacking creature.

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

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

Flying

{3}{W}{W}, Sacrifice Major Teroh: Exile all black creatures.

Create four 1/1 white Bird creature tokens with flying.

Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Flying

Threshold -- As long as seven or more cards are in your graveyard, Mystic Familiar gets +1/+1 and has protection from black.

Target player draws four cards.

Flying

Phantom Flock enters the battlefield with three +1/+1 counters on it.

If damage would be dealt to Phantom Flock, prevent that damage. Remove a +1/+1 counter from Phantom Flock.

({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}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Draw two cards, then discard a card. Then if an opponent has more cards in hand than you, return Pulse of the Grid to its owner's hand.

Exile target creature that dealt damage to you this turn.

Choose one --

• Creatures you control get +1/+1 until end of turn.

• Untap all creatures you control.

Entwine {1}{W} (Choose both if you pay the entwine cost.)

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

When Sage Aven enters the battlefield, look at the top four cards of your library, then put them back in any order.

Flying

When Sage Owl enters the battlefield, look at the top four cards of your library, then put them back in any order.

{T}: Add {C}.

{W}{U}, {T}, Sacrifice a Bird: Draw a card.

As Secluded Courtyard enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

Secluded Steppe enters the battlefield tapped.

{T}: Add {W}.

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

As Shared Triumph enters the battlefield, choose a creature type.

Creatures of the chosen type get +1/+1.

Target creature you control gains protection from the color of your choice until end of turn.

Draw a card.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

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

Flying

Whenever a creature with flying dies, put a +1/+1 counter on Soulcatcher.

Whenever a Bird is put into your graveyard from the battlefield, put a feather counter on Soulcatchers' Aerie.

Bird creatures get +1/+1 for each feather counter on Soulcatchers' Aerie.

Counter target activated ability. (Mana abilities can't be targeted.)

Draw a card.

Flying

Whenever Steel-Plume Marshal attacks, other attacking creatures you control with flying get +2/+2 until end of turn.

Flying, protection from green

Enchant creature

When Unquestioned Authority enters the battlefield, draw a card.

Enchanted creature has protection from creatures.

Return target creature to its owner's hand.

As an additional cost to cast this spell, discard X cards.

Exile X target attacking creatures.

Flying

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

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.

If you control a creature, damage that would reduce your life total to less than 1 reduces it to 1 instead.