As Arcane Adaptation enters the battlefield, choose a creature type.
Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
{U}
Artificer's Assistant
Creature - Bird
Flying
Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)
1 /
1
{3}
Birthing Boughs
Artifact
{4}, {T}: Create a 2/2 colorless Shapeshifter creature token with changeling. (It has every creature type.)
{5}
Blazethorn Scarecrow
Artifact Creature - Scarecrow
Blazethorn Scarecrow has haste as long as you control a red creature.
Blazethorn Scarecrow has wither as long as you control a green creature. (It deals damage to creatures in the form of -1/-1 counters.)
3 /
3
{3}{R}
Changeling Berserker
Creature - Shapeshifter
Changeling (This card is every creature type.)
Haste
Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)
5 /
3
{4}{W}
Changeling Hero
Creature - Shapeshifter
Changeling (This card is every creature type.)
Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
4 /
4
{B}
Changeling Outcast
Creature - Shapeshifter
Changeling (This card is every creature type.)
Changeling Outcast can't block and can't be blocked.
1 /
1
{4}{G}
Changeling Titan
Creature - Shapeshifter
Changeling (This card is every creature type.)
Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)
7 /
7
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
--
Crosis's Catacombs
Land - Lair
When Crosis's Catacombs enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.
{T}: Add {U}, {B}, or {R}.
{2}{G}
Cultivate
Sorcery
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
{1}{U}
Cunning Evasion
Enchantment
Whenever a creature you control becomes blocked, you may return it to its owner's hand.
--
Darigaaz's Caldera
Land - Lair
When Darigaaz's Caldera enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.
{T}: Add {B}, {R}, or {G}.
--
Dismal Backwater
Land
Dismal Backwater enters the battlefield tapped.
When Dismal Backwater enters the battlefield, you gain 1 life.
{T}: Add {U} or {B}.
{5}
Door to Nothingness
Artifact
Door to Nothingness enters the battlefield tapped.
{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice Door to Nothingness: Target player loses the game.
--
Dromar's Cavern
Land - Lair
When Dromar's Cavern enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.
{T}: Add {W}, {U}, or {B}.
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
--
Exotic Orchard
Land
{T}: Add one mana of any color that a land an opponent controls could produce.
{2}
Fang Skulkin
Artifact Creature - Scarecrow
{2}: Target black creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)
2 /
1
{2}{G}
Farhaven Elf
Creature - Elf Druid
When Farhaven Elf enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
1 /
1
{2}
Field Creeper
Artifact Creature - Scarecrow
2 /
1
{4}
Firemind Vessel
Artifact
Firemind Vessel enters the battlefield tapped.
{T}: Add two mana of different colors.
{G}
Fog
Instant
Prevent all combat damage that would be dealt this turn.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
{3}
Foundry Inspector
Artifact Creature - Construct
Artifact spells you cast cost {1} less to cast.
3 /
2
--
Gateway Plaza
Land - Gate
Gateway Plaza enters the battlefield tapped.
When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.
{2}{U}
Ghostly Flicker
Instant
Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.
--
Golgari Guildgate
Land - Gate
Golgari Guildgate enters the battlefield tapped.
{T}: Add {B} or {G}.
{3}{B}
Graveshifter
Creature - Shapeshifter
Changeling (This card is every creature type.)
When Graveshifter enters the battlefield, you may return target creature card from your graveyard to your hand.
2 /
2
--
Great Furnace
Artifact Land
{T}: Add {R}.
{1}
Heap Doll
Artifact Creature - Scarecrow
Sacrifice Heap Doll: Exile target card from a graveyard.
1 /
1
{3}
Hoof Skulkin
Artifact Creature - Scarecrow
{3}: Target green creature gets +1/+1 until end of turn.
2 /
2
--
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}.)
{1}
Jawbone Skulkin
Artifact Creature - Scarecrow
{2}: Target red creature gains haste until end of turn.
1 /
1
{4}
Jhoira's Familiar
Artifact Creature - Bird
Flying
Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)
2 /
2
{2}
Jousting Dummy
Artifact Creature - Scarecrow Knight
{3}: Jousting Dummy gets +1/+0 until end of turn.
2 /
1
--
Jungle Hollow
Land
Jungle Hollow enters the battlefield tapped.
When Jungle Hollow enters the battlefield, you gain 1 life.
{T}: Add {B} or {G}.
{6}
Loreseeker's Stone
Artifact
{3}, {T}: Draw three cards. This ability costs {1} more to activate for each card in your hand.
{3}
Mana Geode
Artifact
When Mana Geode enters the battlefield, scry 1.
{T}: Add one mana of any color.
{3}
Manalith
Artifact
{T}: Add one mana of any color.
{1}{G}
Masked Vandal
Creature - Shapeshifter
Changeling (This card is every creature type.)
When Masked Vandal enters the battlefield, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.
1 /
3
{4}
Maskwood Nexus
Artifact
Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)
{3}
Mimic Vat
Artifact
Imprint -- Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.
{3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.
{6}
Mindslaver
Legendary Artifact
{4}, {T}, Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for the player.)
{2}{G}
Molting Skin
Enchantment
Return Molting Skin to its owner's hand: Regenerate target creature.
{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.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{1}{U}
Negate
Instant
Counter target noncreature spell.
{3}
One-Eyed Scarecrow
Artifact Creature - Scarecrow
Defender
Creatures with flying your opponents control get -1/-0.
2 /
3
{3}{U}
Paradoxical Outcome
Instant
Return any number of target nonland, nontoken permanents you control to their owners' hands. Draw a card for each card returned to your hand this way.
--
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}.)
{B}
Raise Dead
Sorcery
Return target creature card from your graveyard to your hand.
{1}{G}
Rampant Growth
Sorcery
Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{2/W}{2/U}{2/B}{2/R}{2/G}
Reaper King
Legendary Artifact Creature - Scarecrow
({2/W} can be paid with any two mana or with {W}. This card's mana value is 10.)
Other Scarecrow creatures you control get +1/+1.
Whenever another Scarecrow enters the battlefield under your control, destroy target permanent.
6 /
6
{3}{U}{U}
Reverse Engineer
Sorcery
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Draw three cards.
{2}{U}{U}
Rite of Replication
Sorcery
Kicker {5} (You may pay an additional {5} as you cast this spell.)
Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.
--
Rith's Grove
Land - Lair
When Rith's Grove enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.
{T}: Add {R}, {G}, or {W}.
{4}{U}
Rush of Knowledge
Sorcery
Draw cards equal to the highest mana value among permanents you control.
{4}{U}{U}
Saheeli's Artistry
Sorcery
Choose one or both --
• Create a token that's a copy of target artifact.
• Create a token that's a copy of target creature, except it's an artifact in addition to its other types.
{X}{R}{R}{R}
Saheeli's Directive
Sorcery
Improvise (Each artifact you tap after you're done activating mana abilities pays for {1}.)
Reveal the top X cards of your library. You may put any number of artifact cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.
{3}
Scarecrone
Artifact Creature - Scarecrow
{1}, Sacrifice a Scarecrow: Draw a card.
{4}, {T}: Return target artifact creature card from your graveyard to the battlefield.
1 /
2
{4}
Scaretiller
Artifact Creature - Scarecrow
Whenever Scaretiller becomes tapped, choose one --
• You may put a land card from your hand onto the battlefield tapped.
• Return target land card from your graveyard to the battlefield tapped.
1 /
4
{3}
Scorn Effigy
Artifact Creature - Scarecrow
Foretell {0} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
2 /
3
{4}
Scrapbasket
Artifact Creature - Scarecrow
{1}: Scrapbasket becomes all colors until end of turn.
3 /
2
{3}
Scuttlemutt
Artifact Creature - Scarecrow
{T}: Add one mana of any color.
{T}: Target creature becomes the color or colors of your choice until end of turn.
2 /
2
--
Seat of the Synod
Artifact Land
{T}: Add {U}.
{2}{W}{U}{B}
Sen Triplets
Legendary Artifact Creature - Human Wizard
At the beginning of your upkeep, choose target opponent. This turn, that player can't cast spells or activate abilities and plays with their hand revealed. You may play lands and cast spells from that player's hand this turn.
3 /
3
{4}
Shell Skulkin
Artifact Creature - Scarecrow
{3}: Target blue creature gains shroud until end of turn. (It can't be the target of spells or abilities.)
3 /
2
{B}{B}
Sign in Blood
Sorcery
Target player draws two cards and loses 2 life.
{4}
Signpost Scarecrow
Artifact Creature - Scarecrow
Vigilance
{2}: Add one mana of any color.
2 /
4
{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
{1}{U}
Storm Crow
Creature - Bird
Flying (This creature can't be blocked except by creatures with flying or reach.)
1 /
2
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swiftwater Cliffs
Land
Swiftwater Cliffs enters the battlefield tapped.
When Swiftwater Cliffs enters the battlefield, you gain 1 life.
{T}: Add {U} or {R}.
{W}
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{2}{U}
Thirst for Knowledge
Instant
Draw three cards. Then discard two cards unless you discard an artifact card.
--
Thornwood Falls
Land
Thornwood Falls enters the battlefield tapped.
When Thornwood Falls enters the battlefield, you gain 1 life.
{T}: Add {G} or {U}.
--
Transguild Promenade
Land
Transguild Promenade enters the battlefield tapped.
When Transguild Promenade enters the battlefield, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.
{7}{U}
Treasure Cruise
Sorcery
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Draw three cards.
--
Treva's Ruins
Land - Lair
When Treva's Ruins enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.
{T}: Add {G}, {W}, or {U}.
{U}
Unsummon
Instant
Return target creature to its owner's hand.
{3}
Vessel of Endless Rest
Artifact
When Vessel of Endless Rest enters the battlefield, put target card from a graveyard on the bottom of its owner's library.
{T}: Add one mana of any color.
{5}{R}{W}
Wake the Past
Sorcery
Return all artifact cards from your graveyard to the battlefield. They gain haste until end of turn.
{3}
Wild-Field Scarecrow
Artifact Creature - Scarecrow
Defender
{2}, Sacrifice Wild-Field Scarecrow: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.
1 /
4
{3}
Wingrattle Scarecrow
Artifact Creature - Scarecrow
Wingrattle Scarecrow has flying as long as you control a blue creature.
Wingrattle Scarecrow has persist as long as you control a black creature. (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)