When Aether Channeler enters the battlefield, choose one --
• Create a 1/1 white Bird creature token with flying.
• Return another target nonland permanent to its owner's hand.
• Draw a card.
2 /
1
{1}{W}{U}
Alquist Proft, Master Sleuth
Legendary Creature - Human Detective
Vigilance
When Alquist Proft, Master Sleuth enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
{X}{W}{U}{U}, {T}, Sacrifice a Clue: You draw X cards and gain X life.
3 /
3
{U}
An Offer You Can't Refuse
Instant
Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{2}{U}{U}
Archaeomancer
Creature - Human Wizard
When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.
1 /
2
{1}{W}
Astrid Peth
Legendary Creature - Human
Whenever Astrid Peth enters the battlefield or attacks, create a Food token.
Brand-new Sky -- Whenever you sacrifice a Clue or Food, Astrid Peth explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)
2 /
2
{2}
Azorius Signet
Artifact
{1}, {T}: Add {W}{U}.
{2}{W}{U}
Brago, King Eternal
Legendary Creature - Spirit Noble
Flying
Whenever Brago, King Eternal deals combat damage to a player, exile any number of target nonland permanents you control, then return those cards to the battlefield under their owner's control.
2 /
4
{2}{W}{W}{W}
Cavalier of Dawn
Creature - Elemental Knight
Vigilance
When Cavalier of Dawn enters the battlefield, destroy up to one target nonland permanent. Its controller creates a 3/3 colorless Golem artifact creature token.
When Cavalier of Dawn dies, return target artifact or enchantment card from your graveyard to your hand.
4 /
6
{2}{U}{U}{U}
Cavalier of Gales
Creature - Elemental Knight
Flying
When Cavalier of Gales enters the battlefield, draw three cards, then put two cards from your hand on top of your library in any order.
When Cavalier of Gales dies, shuffle it into its owner's library, then scry 2.
5 /
5
{3}{W}{U}
Cloudblazer
Creature - Human Scout
Flying
When Cloudblazer enters the battlefield, you gain 2 life and draw two cards.
2 /
2
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{1}{W}{U}
Deputy of Detention
Creature - Vedalken Wizard
When Deputy of Detention enters the battlefield, exile target nonland permanent an opponent controls and all other nonland permanents that player controls with the same name as that permanent until Deputy of Detention leaves the battlefield.
1 /
3
{W}{U}
Dovin's Veto
Instant
This spell can't be countered.
Counter target noncreature spell.
{2}{W}{U}
Elite Guardmage
Creature - Human Wizard
Flying
When Elite Guardmage enters the battlefield, you gain 3 life and draw a card.
2 /
3
{W}
Ephemerate
Instant
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.)
{2}{U}
Exclusion Mage
Creature - Human Wizard
When Exclusion Mage enters the battlefield, return target creature an opponent controls to its owner's hand.
2 /
2
{U}
Faerie Seer
Creature - Faerie Wizard
Flying
When Faerie Seer enters the battlefield, scry 2.
1 /
1
{1}{W}{W}
Fiend Hunter
Creature - Human Cleric
When Fiend Hunter enters the battlefield, you may exile another target creature.
When Fiend Hunter leaves the battlefield, return the exiled card to the battlefield under its owner's control.
1 /
3
{W}
Fragmentize
Sorcery
Destroy target artifact or enchantment with mana value 4 or less.
--
Geier Reach Sanitarium
Legendary Land
{T}: Add {C}.
{2}, {T}: Each player draws a card, then discards a card.
--
Glacial Fortress
Land
Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.
{W}{U}
Hallowed Respite
Sorcery
Exile target nonlegendary creature, then return it to the battlefield under its owner's control. If it entered under your control, put a +1/+1 counter on it. Otherwise, tap it.
Flashback {1}{W}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
--
Idyllic Beachfront
Land - Plains Island
({T}: Add {W} or {U}.)
Idyllic Beachfront enters the battlefield tapped.
--
Irrigated Farmland
Land - Plains Island
({T}: Add {W} or {U}.)
Irrigated Farmland enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)
--
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}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{2}{U}
Man-o'-War
Creature - Jellyfish
When Man-o'-War enters the battlefield, return target creature to its owner's hand.
2 /
2
--
Mikokoro, Center of the Sea
Legendary Land
{T}: Add {C}.
{2}, {T}: Each player draws a card.
{1}{W}
Momentary Blink
Instant
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.)
--
Nimbus Maze
Land
{T}: Add {C}.
{T}: Add {W}. Activate only if you control an Island.
{T}: Add {U}. Activate only if you control a Plains.
{2}
Ornithopter of Paradise
Artifact Creature - Thopter
Flying
{T}: Add one mana of any color.
0 /
2
{W}
Path to Exile
Instant
Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{W}{U}
Permission Denied
Instant
Counter target noncreature spell. Your opponents can't cast noncreature spells this turn.
--
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}.)
--
Port Town
Land
As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped.
{T}: Add {W} or {U}.
--
Prairie Stream
Land - Plains Island
({T}: Add {W} or {U}.)
Prairie Stream enters the battlefield tapped unless you control two or more basic lands.
{1}{W}{U}
Reflector Mage
Creature - Human Wizard
When Reflector Mage enters the battlefield, return target creature an opponent controls to its owner's hand. That creature's owner can't cast spells with the same name as that creature until your next turn.
2 /
3
{2}{W}{U}
Sawtooth Loon
Creature - Bird
Flying
When Sawtooth Loon enters the battlefield, return a white or blue creature you control to its owner's hand.
When Sawtooth Loon enters the battlefield, draw two cards, then put two cards from your hand on the bottom of your library.
2 /
2
{1}{W}{U}
Soulherder
Creature - Spirit
Whenever a creature is exiled from the battlefield, put a +1/+1 counter on Soulherder.
At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.
1 /
1
{U}
Spyglass Siren
Creature - Siren Pirate
Flying
When Spyglass Siren enters the battlefield, create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")
1 /
1
{1}{W}{W}{U}
Supreme Verdict
Sorcery
This spell can't be countered.
Destroy all creatures.
{W}
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
{2}
Talisman of Progress
Artifact
{T}: Add {C}.
{T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.
{3}{W}
Teleportation Circle
Enchantment
At the beginning of your end step, exile up to one target artifact or creature you control, then return that card to the battlefield under its owner's control.
{W}
Thraben Inspector
Creature - Human Soldier
When Thraben Inspector enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
1 /
2
{2}{U}{U}
Venser, Shaper Savant
Legendary Creature - Human Wizard
Flash
When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.
2 /
2
{3}{W}{U}
Venser, the Sojourner
Legendary Planeswalker - Venser
+2: Exile target permanent you own. Return it to the battlefield under your control at the beginning of the next end step.
-1: Creatures can't be blocked this turn.
-8: You get an emblem with "Whenever you cast a spell, exile target permanent."
L:
3
{1}{W}
Wall of Omens
Creature - Wall
Defender
When Wall of Omens enters the battlefield, draw a card.
0 /
4
--
War Room
Land
{T}: Add {C}.
{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.