At the beginning of your upkeep, you may put a feather counter on target creature. If you do, that creature has base power and toughness 3/1 and has flying for as long as it has a feather counter on it.
3 /
1
{G}{W}{U}
Bant Charm
Instant
Choose one --
• Destroy target artifact.
• Put target creature on the bottom of its owner's library.
• Counter target instant spell.
{G}{W}{U}
Bant Charm
Instant
Choose one --
• Destroy target artifact.
• Put target creature on the bottom of its owner's library.
• Counter target instant spell.
{2}{W}{W}
Commander Eesha
Legendary Creature - Bird Soldier
Flying, protection from creatures
2 /
4
{G}{W}{U}
Derevi, Empyrial Tactician
Legendary Creature - Bird Wizard
Flying
Whenever Derevi, Empyrial Tactician enters the battlefield or a creature you control deals combat damage to a player, you may tap or untap target permanent.
{1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone.
2 /
3
{G}{W}{U}
Derevi, Empyrial Tactician
Legendary Creature - Bird Wizard
Flying
Whenever Derevi, Empyrial Tactician enters the battlefield or a creature you control deals combat damage to a player, you may tap or untap target permanent.
{1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone.
2 /
3
{1}{U}
Echoing Truth
Instant
Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.
{G}{W}{U}
Flurry of Wings
Instant
Create X 1/1 white Bird Soldier creature tokens with flying, where X is the number of attacking creatures.
{G}{W}{U}
Flurry of Wings
Instant
Create X 1/1 white Bird Soldier creature tokens with flying, where X is the number of attacking creatures.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{W/U}
Judge's Familiar
Creature - Bird
Flying
Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.
1 /
1
{W/U}
Judge's Familiar
Creature - Bird
Flying
Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.
1 /
1
{W/U}
Judge's Familiar
Creature - Bird
Flying
Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.
1 /
1
{W/U}
Judge's Familiar
Creature - Bird
Flying
Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.
1 /
1
{2}{U}
Keeper of the Nine Gales
Creature - Bird Wizard
Flying
{T}, Tap two untapped Birds you control: Return target permanent to its owner's hand.
1 /
2
{2}{U}
Keeper of the Nine Gales
Creature - Bird Wizard
Flying
{T}, Tap two untapped Birds you control: Return target permanent to its owner's hand.
1 /
2
{2}{U}
Keeper of the Nine Gales
Creature - Bird Wizard
Flying
{T}, Tap two untapped Birds you control: Return target permanent to its owner's hand.
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.)
{3}{W}{U}
Migratory Route
Sorcery
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.)
{3}{W}{U}
Migratory Route
Sorcery
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.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Seaside Citadel
Land
Seaside Citadel enters the battlefield tapped.
{T}: Add {G}, {W}, or {U}.
--
Seaside Citadel
Land
Seaside Citadel enters the battlefield tapped.
{T}: Add {G}, {W}, or {U}.
--
Seaside Citadel
Land
Seaside Citadel enters the battlefield tapped.
{T}: Add {G}, {W}, or {U}.
--
Seaside Citadel
Land
Seaside Citadel enters the battlefield tapped.
{T}: Add {G}, {W}, or {U}.
--
Seaside Haven
Land
{T}: Add {C}.
{W}{U}, {T}, Sacrifice a Bird: Draw a card.
--
Seaside Haven
Land
{T}: Add {C}.
{W}{U}, {T}, Sacrifice a Bird: Draw a card.
{1}{W}
Soulcatcher
Creature - Bird Soldier
Flying
Whenever a creature with flying dies, put a +1/+1 counter on Soulcatcher.
1 /
1
{1}{W}
Soulcatcher
Creature - Bird Soldier
Flying
Whenever a creature with flying dies, put a +1/+1 counter on Soulcatcher.
1 /
1
{1}{W}
Soulcatcher
Creature - Bird Soldier
Flying
Whenever a creature with flying dies, put a +1/+1 counter on Soulcatcher.
1 /
1
{1}{W}
Soulcatcher
Creature - Bird Soldier
Flying
Whenever a creature with flying dies, put a +1/+1 counter on Soulcatcher.
1 /
1
{1}{W}
Soulcatchers' Aerie
Enchantment
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.
{1}{W}
Soulcatchers' Aerie
Enchantment
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.
{1}{W}
Soulcatchers' Aerie
Enchantment
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.
--
Tranquil Cove
Land
Tranquil Cove enters the battlefield tapped.
When Tranquil Cove enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.
--
Tranquil Cove
Land
Tranquil Cove enters the battlefield tapped.
When Tranquil Cove enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.
--
Tranquil Cove
Land
Tranquil Cove enters the battlefield tapped.
When Tranquil Cove enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.
--
Tranquil Cove
Land
Tranquil Cove enters the battlefield tapped.
When Tranquil Cove enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.
{2}{U}
Warden of Evos Isle
Creature - Bird Wizard
Flying
Creature spells with flying you cast cost {1} less to cast.
2 /
2
{2}{U}
Warden of Evos Isle
Creature - Bird Wizard
Flying
Creature spells with flying you cast cost {1} less to cast.
2 /
2
{2}{U}
Warden of Evos Isle
Creature - Bird Wizard
Flying
Creature spells with flying you cast cost {1} less to cast.
2 /
2
{W}
Weathered Wayfarer
Creature - Human Nomad Cleric
{W}, {T}: Search your library for a land card, reveal it, put it into your hand, then shuffle. Activate only if an opponent controls more lands than you.
1 /
1
{3}{W}{W}
Wingmate Roc
Creature - Bird
Flying
Raid -- When Wingmate Roc enters the battlefield, if you attacked this turn, create a 3/4 white Bird creature token with flying.
Whenever Wingmate Roc attacks, you gain 1 life for each attacking creature.
3 /
4
{3}{W}{W}
Wingmate Roc
Creature - Bird
Flying
Raid -- When Wingmate Roc enters the battlefield, if you attacked this turn, create a 3/4 white Bird creature token with flying.
Whenever Wingmate Roc attacks, you gain 1 life for each attacking creature.
3 /
4
{2}{U}
Arctic Aven
Creature - Bird Wizard
Flying
Arctic Aven gets +1/+1 as long as you control a Plains.
{W}: Arctic Aven gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)
2 /
1
{2}{U}
Arctic Aven
Creature - Bird Wizard
Flying
Arctic Aven gets +1/+1 as long as you control a Plains.
{W}: Arctic Aven gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)
2 /
1
{3}{W}{W}{W}
Aven Brigadier
Creature - Bird Soldier
Flying
Other Bird creatures get +1/+1.
Other Soldier creatures get +1/+1.
3 /
5
{3}{W}{W}{W}
Aven Brigadier
Creature - Bird Soldier
Flying
Other Bird creatures get +1/+1.
Other Soldier creatures get +1/+1.
3 /
5
{3}{W}
Aven Cloudchaser
Creature - Bird Soldier
Flying (This creature can't be blocked except by creatures with flying or reach.)
When Aven Cloudchaser enters the battlefield, destroy target enchantment.
2 /
2
{3}{W}
Aven Cloudchaser
Creature - Bird Soldier
Flying (This creature can't be blocked except by creatures with flying or reach.)
When Aven Cloudchaser enters the battlefield, destroy target enchantment.
2 /
2
{3}{W}{W}
Celestial Gatekeeper
Creature - Bird Cleric
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.
2 /
2
{3}{W}{W}
Celestial Gatekeeper
Creature - Bird Cleric
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.
2 /
2
{1}{U}
Echoing Truth
Instant
Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.
{4}{W}
Gustcloak Savior
Creature - Bird Soldier
Flying
Whenever a creature you control becomes blocked, you may untap that creature and remove it from combat.
3 /
4
{4}{W}
Gustcloak Savior
Creature - Bird Soldier
Flying
Whenever a creature you control becomes blocked, you may untap that creature and remove it from combat.
3 /
4
{3}{W}
Major Teroh
Legendary Creature - Bird Soldier
Flying
{3}{W}{W}, Sacrifice Major Teroh: Exile all black creatures.
2 /
3
{2}{W}
Prismatic Strands
Instant
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.)
{2}{W}
Prismatic Strands
Instant
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.)
{2}{W}
Prismatic Strands
Instant
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.)