{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.
--
Arcane Sanctum
Land
Arcane Sanctum enters the battlefield tapped.
{T}: Add {W}, {U}, or {B}.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
--
Ash Barrens
Land
{T}: Add {C}.
Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
--
Blood Crypt
Land - Swamp Mountain
({T}: Add {B} or {R}.)
As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{3}{W}
Bonescythe Sliver
Creature - Sliver
Sliver creatures you control have double strike. (They deal both first-strike and regular combat damage.)
2 /
2
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
--
Breeding Pool
Land - Forest Island
({T}: Add {G} or {U}.)
As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{4}{G}
Brood Sliver
Creature - Sliver
Whenever a Sliver deals combat damage to a player, its controller may create a 1/1 colorless Sliver creature token.
3 /
3
--
Cavern of Souls
Land
As Cavern of Souls 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, and that spell can't be countered.
{3}
Chromatic Lantern
Artifact
Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.
{R}{W}
Cloudshredder Sliver
Creature - Sliver
Sliver creatures you control have flying and haste.
1 /
1
{5}
Coat of Arms
Artifact
Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}
Commander's Sphere
Artifact
{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
{G}{G}{W}
Congregation at Dawn
Instant
Search your library for up to three creature cards, reveal them, then shuffle and put those cards on top in any order.
{5}{W}
Constricting Sliver
Creature - Sliver
Sliver creatures you control have "When this creature enters the battlefield, you may exile target creature an opponent controls until this creature leaves the battlefield."
3 /
3
{W}{U}
Crystalline Sliver
Creature - Sliver
All Slivers have shroud. (They can't be the targets of spells or abilities.)
2 /
2
{1}{B}
Demonic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{1}{U}
Diffusion Sliver
Creature - Sliver
Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}.
1 /
1
{3}{U}
Distant Melody
Sorcery
Choose a creature type. Draw a card for each permanent you control of that type.
{4}
Door of Destinies
Artifact
As Door of Destinies enters the battlefield, choose a creature type.
Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.
Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
--
Fabled Passage
Land
{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
{3}{G}
Fungus Sliver
Creature - Fungus Sliver
All Sliver creatures have "Whenever this creature is dealt damage, put a +1/+1 counter on it." (It must survive the damage to get the counter.)
2 /
2
{U}
Galerider Sliver
Creature - Sliver
Sliver creatures you control have flying.
1 /
1
--
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.
{1}{G}
Gemhide Sliver
Creature - Sliver
All Slivers have "{T}: Add one mana of any color."
1 /
1
--
Godless Shrine
Land - Plains Swamp
({T}: Add {W} or {B}.)
As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{1}{G}{W}
Harmonic Sliver
Creature - Sliver
All Slivers have "When this permanent enters the battlefield, destroy target artifact or enchantment."
1 /
1
{3}{U}
Hieroglyphic Illumination
Instant
Draw two cards.
Cycling {U} ({U}, Discard this card: Draw a card.)
{2}{W}
Hive Stirrings
Sorcery
Create two 1/1 colorless Sliver creature tokens.
{2}{R}
Hollowhead Sliver
Creature - Sliver
Sliver creatures you control have "{T}, Discard a card: Draw a card."
2 /
2
{3}
Icon of Ancestry
Artifact
As Icon of Ancestry enters the battlefield, choose a creature type.
Creatures you control of the chosen type get +1/+1.
{3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
--
Indatha Triome
Land - Plains Swamp Forest
({T}: Add {W}, {B}, or {G}.)
Indatha Triome enters the battlefield tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Jungle Shrine
Land
Jungle Shrine enters the battlefield tapped.
{T}: Add {R}, {G}, or {W}.
{3}{U}{U}
Kindred Discovery
Enchantment
As Kindred Discovery enters the battlefield, choose a creature type.
Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.
{2}{W}
Lancer Sliver
Creature - Sliver
Sliver creatures you control have first strike.
2 /
2
{1}{R}{W}
Lavabelly Sliver
Creature - Sliver
Sliver creatures you control have "When this creature enters the battlefield, it deals 1 damage to target player or planeswalker and you gain 1 life."
2 /
2
{3}
Manalith
Artifact
{T}: Add one mana of any color.
{1}{G}
Manaweft Sliver
Creature - Sliver
Sliver creatures you control have "{T}: Add one mana of any color."
1 /
1
{4}{G}
Might Sliver
Creature - Sliver
All Sliver creatures get +2/+2.
2 /
2
{1}{U}
Military Intelligence
Enchantment
Whenever you attack with two or more creatures, draw a card.
{7}
Morophon, the Boundless
Legendary Creature - Shapeshifter
Changeling (This card is every creature type.)
As Morophon, the Boundless enters the battlefield, choose a creature type.
Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay.
Other creatures you control of the chosen type get +1/+1.
6 /
6
--
Morphic Pool
Land
Morphic Pool enters the battlefield tapped unless you have two or more opponents.
{T}: Add {U} or {B}.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{1}{W}{B}
Necrotic Sliver
Creature - Sliver
All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."
2 /
2
--
Overgrown Tomb
Land - Swamp Forest
({T}: Add {B} or {G}.)
As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Path of Ancestry
Land
Path of Ancestry enters the battlefield tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{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.
{2}
Pillar of Origins
Artifact
As Pillar of Origins enters the battlefield, choose a creature type.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.
--
Plains
Basic Land - Plains
({T}: Add {W}.)
{1}{G}{W}
Pledge of Unity
Instant
Put a +1/+1 counter on each creature you control. You gain 1 life for each creature you control.
--
Prismatic Vista
Land
{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.
{3}{W}{W}
Pulmonic Sliver
Creature - Sliver
All Sliver creatures have flying.
All Slivers have "If this permanent would be put into a graveyard, you may put it on top of its owner's library instead."
3 /
3
{1}{G}
Quick Sliver
Creature - Sliver
Flash
Any player may cast Sliver spells as though they had flash.
1 /
1
--
Raugrin Triome
Land - Island Mountain Plains
({T}: Add {U}, {R}, or {W}.)
Raugrin Triome enters the battlefield tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)
{2}{G}
Realmwalker
Creature - Shapeshifter
Changeling (This card is every creature type.)
As Realmwalker enters the battlefield, choose a creature type.
You may look at the top card of your library any time.
You may cast creature spells of the chosen type from the top of your library.
2 /
3
--
Rejuvenating Springs
Land
Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents.
{T}: Add {G} or {U}.
{3}
Replicating Ring
Snow Artifact
{T}: Add one mana of any color.
At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."
{2}{U}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
{3}{G}
Root Sliver
Creature - Sliver
This spell can't be countered.
Sliver spells can't be countered.
2 /
2
--
Rupture Spire
Land
Rupture Spire enters the battlefield tapped.
When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.
--
Savai Triome
Land - Mountain Plains Swamp
({T}: Add {R}, {W}, or {B}.)
Savai Triome enters the battlefield tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)
--
Sea of Clouds
Land
Sea of Clouds enters the battlefield tapped unless you have two or more opponents.
{T}: Add {W} or {U}.
--
Seaside Citadel
Land
Seaside Citadel enters the battlefield tapped.
{T}: Add {G}, {W}, or {U}.
{2}{R}
Sedge Sliver
Creature - Sliver
All Sliver creatures have "This creature gets +1/+1 as long as you control a Swamp."
All Slivers have "{B}: Regenerate this permanent." (The next time it would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)
2 /
2
{1}{W}
Shared Triumph
Enchantment
As Shared Triumph enters the battlefield, choose a creature type.
Creatures of the chosen type get +1/+1.
{3}{U}
Shifting Sliver
Creature - Sliver
Slivers can't be blocked except by Slivers.
2 /
2
{1}{W}
Sinew Sliver
Creature - Sliver
All Sliver creatures get +1/+1.
1 /
1
--
Sliver Hive
Land
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a Sliver spell.
{5}, {T}: Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver.
{W}{U}{B}{R}{G}
Sliver Hivelord
Legendary Creature - Sliver
Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.)
5 /
5
{W}{U}{B}{R}{G}
Sliver Legion
Legendary Creature - Sliver
All Sliver creatures get +1/+1 for each other Sliver on the battlefield.
7 /
7
{W}{U}{B}{R}{G}
Sliver Overlord
Legendary Creature - Sliver Mutant
{3}: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle.
{3}: Gain control of target Sliver. (This effect lasts indefinitely.)
7 /
7
{W}{U}{B}{R}{G}
Sliver Queen
Legendary Creature - Sliver
{2}: Create a 1/1 colorless Sliver creature token.
7 /
7
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
--
Spectator Seating
Land
Spectator Seating enters the battlefield tapped unless you have two or more opponents.
{T}: Add {R} or {W}.
{3}
Spinning Wheel
Artifact
{T}: Add one mana of any color.
{5}, {T}: Tap target creature.
--
Spire Garden
Land
Spire Garden enters the battlefield tapped unless you have two or more opponents.
{T}: Add {R} or {G}.
{2}{R}
Spiteful Sliver
Creature - Sliver
Sliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker."
2 /
2
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{2}{B}
Syphon Sliver
Creature - Sliver
Sliver creatures you control have lifelink. (Damage dealt by a Sliver creature you control also causes you to gain that much life.)
2 /
2
{2}{G}
Tempered Sliver
Creature - Sliver
Sliver creatures you control have "Whenever this creature deals combat damage to a player, put a +1/+1 counter on it."
2 /
2
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{W}{U}{B}{R}{G}
The First Sliver
Legendary Creature - Sliver
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)
Sliver spells you cast have cascade.
7 /
7
{3}{B}
Toxin Sliver
Creature - Sliver
Whenever a Sliver deals combat damage to a creature, destroy that creature. It can't be regenerated.
3 /
3
--
Training Center
Land
Training Center enters the battlefield tapped unless you have two or more opponents.
{T}: Add {U} or {R}.
--
Unclaimed Territory
Land
As Unclaimed Territory 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.
--
Undergrowth Stadium
Land
Undergrowth Stadium enters the battlefield tapped unless you have two or more opponents.
{T}: Add {B} or {G}.
{W}{U}
Unsettled Mariner
Creature - Shapeshifter
Changeling (This card is every creature type.)
Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.
2 /
2
{3}
Urza's Incubator
Artifact
As Urza's Incubator enters the battlefield, choose a creature type.
Creature spells of the chosen type cost {2} less to cast.
{5}
Vanquisher's Banner
Artifact
As Vanquisher's Banner enters the battlefield, choose a creature type.
Creatures you control of the chosen type get +1/+1.
Whenever you cast a creature spell of the chosen type, draw a card.
--
Vault of Champions
Land
Vault of Champions enters the battlefield tapped unless you have two or more opponents.
{T}: Add {W} or {B}.
{1}{G}
Venom Sliver
Creature - Sliver
Sliver creatures you control have deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)
1 /
1
--
Watery Grave
Land - Island Swamp
({T}: Add {U} or {B}.)
As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{1}{U}
Winged Sliver
Creature - Sliver
All Sliver creatures have flying.
1 /
1
{G}
Worldly Tutor
Instant
Search your library for a creature card, reveal it, then shuffle and put the card on top.
--
Zagoth Triome
Land - Swamp Forest Island
({T}: Add {B}, {G}, or {U}.)
Zagoth Triome enters the battlefield tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)