Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.
{2}
Azorius Signet
Artifact
{1}, {T}: Add {W}{U}.
{2}{B}
Basal Sliver
Creature - Sliver
All Slivers have "Sacrifice this permanent: Add {B}{B}."
2 /
2
--
Battlefield Forge
Land
{T}: Add {C}.
{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.
--
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.
--
Bloodstained Mire
Land
{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.
{3}{W}
Bonescythe Sliver
Creature - Sliver
Sliver creatures you control have double strike. (They deal both first-strike and regular combat damage.)
2 /
2
{2}
Boros Signet
Artifact
{1}, {T}: Add {R}{W}.
--
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.
{3}{G}{U}
Bring to Light
Sorcery
Converge -- Search your library for a creature, instant, or sorcery card with mana value less than or equal to the number of colors of mana spent to cast this spell, exile that card, then shuffle. You may cast that card without paying its mana cost.
--
Canyon Slough
Land - Swamp Mountain
({T}: Add {B} or {R}.)
Canyon Slough enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)
--
Cascading Cataracts
Land
Indestructible
{T}: Add {C}.
{5}, {T}: Add five mana in any combination of colors.
--
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.
--
Caves of Koilos
Land
{T}: Add {C}.
{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.
{3}
Chromatic Lantern
Artifact
Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.
{3}
Coalition Relic
Artifact
{T}: Add one mana of any color.
{T}: Put a charge counter on Coalition Relic.
At the beginning of your precombat main phase, remove all charge counters from Coalition Relic. Add one mana of any color for each charge counter removed this way.
--
Command Beacon
Land
{T}: Add {C}.
{T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{1}{B}
Crypt Sliver
Creature - Sliver
All Slivers have "{T}: Regenerate target Sliver."
1 /
1
{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
{2}
Dimir Signet
Artifact
{1}, {T}: Add {U}{B}.
{G}{W}
Eladamri's Call
Instant
Search your library for a creature card, reveal that card, put it into your hand, then shuffle.
{W}
Enlightened Tutor
Instant
Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.
{1}
Expedition Map
Artifact
{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.
{1}{G}
Farseek
Sorcery
Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
{2}
Fellwar Stone
Artifact
{T}: Add one mana of any color that a land an opponent controls could produce.
--
Fetid Pools
Land - Island Swamp
({T}: Add {U} or {B}.)
Fetid Pools enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)
--
Flooded Strand
Land
{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.
{U}
Galerider Sliver
Creature - Sliver
Sliver creatures you control have flying.
1 /
1
{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.
{2}
Golgari Signet
Artifact
{1}, {T}: Add {B}{G}.
{X}{G}
Green Sun's Zenith
Sorcery
Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.
{2}
Gruul Signet
Artifact
{1}, {T}: Add {R}{G}.
--
Hallowed Fountain
Land - Plains Island
({T}: Add {W} or {U}.)
As Hallowed Fountain 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
{1}{R}
Heart Sliver
Creature - Sliver
All Sliver creatures have haste.
1 /
1
{U}{B}
Hibernation Sliver
Creature - Sliver
All Slivers have "Pay 2 life: Return this permanent to its owner's hand."
2 /
2
{2}{U}
Intruder Alarm
Enchantment
Creatures don't untap during their controllers' untap steps.
Whenever a creature enters the battlefield, untap all creatures.
--
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.)
{2}
Izzet Signet
Artifact
{1}, {T}: Add {U}{R}.
--
Krosan Verge
Land
Krosan Verge enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.
--
Llanowar Wastes
Land
{T}: Add {C}.
{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.
--
Mana Confluence
Land
{T}, Pay 1 life: Add one mana of any color.
{2}{R}{R}
Mana Echoes
Enchantment
Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it.
{1}{G}
Manaweft Sliver
Creature - Sliver
Sliver creatures you control have "{T}: Add one mana of any color."
1 /
1
{1}
Metallic Sliver
Artifact Creature - Sliver
1 /
1
{2}{U}
Monastery Siege
Enchantment
As Monastery Siege enters the battlefield, choose Khans or Dragons.
• Khans -- At the beginning of your draw step, draw an additional card, then discard a card.
• Dragons -- Spells your opponents cast that target you or a permanent you control cost {2} more to cast.
{1}{G}
Muscle Sliver
Creature - Sliver
All Sliver creatures get +1/+1.
1 /
1
{1}{W}{B}
Necrotic Sliver
Creature - Sliver
All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."
2 /
2
{2}
Orzhov Signet
Artifact
{1}, {T}: Add {W}{B}.
--
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.
{5}
Paradox Engine
Legendary Artifact
Whenever you cast a spell, untap all nonland permanents you control.
{3}{B}{B}
Patriarch's Bidding
Sorcery
Each player chooses a creature type. Each player returns all creature cards of a type chosen this way from their graveyard to the battlefield.
{B}
Phyrexian Reclamation
Enchantment
{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.
{W}
Plated Sliver
Creature - Sliver
All Sliver creatures get +0/+1.
1 /
1
--
Polluted Delta
Land
{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.
{1}{G}
Predatory Sliver
Creature - Sliver
Sliver creatures you control get +1/+1.
1 /
1
{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}
Quest for Renewal
Enchantment
Whenever a creature you control becomes tapped, you may put a quest counter on Quest for Renewal.
As long as there are four or more quest counters on Quest for Renewal, untap all creatures you control during each other player's untap step.
{1}{G}
Quick Sliver
Creature - Sliver
Flash
Any player may cast Sliver spells as though they had flash.
1 /
1
{2}
Rakdos Signet
Artifact
{1}, {T}: Add {B}{R}.
--
Reflecting Pool
Land
{T}: Add one mana of any type that a land you control could produce.
{3}{G}
Root Sliver
Creature - Sliver
This spell can't be countered.
Sliver spells can't be countered.
2 /
2
--
Sacred Foundry
Land - Mountain Plains
({T}: Add {R} or {W}.)
As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Scattered Groves
Land - Forest Plains
({T}: Add {G} or {W}.)
Scattered Groves enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)
{2}
Selesnya Signet
Artifact
{1}, {T}: Add {G}{W}.
{1}
Sensei's Divining Top
Artifact
{1}: Look at the top three cards of your library, then put them back in any order.
{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.
{1}{W}
Sentinel Sliver
Creature - Sliver
Sliver creatures you control have vigilance. (Attacking doesn't cause them to tap.)
2 /
2
--
Sheltered Thicket
Land - Mountain Forest
({T}: Add {R} or {G}.)
Sheltered Thicket enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)
--
Shivan Reef
Land
{T}: Add {C}.
{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.
{2}
Simic Signet
Artifact
{1}, {T}: Add {G}{U}.
{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 Queen
Legendary Creature - Sliver
{2}: Create a 1/1 colorless Sliver creature token.
7 /
7
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
--
Steam Vents
Land - Island Mountain
({T}: Add {U} or {R}.)
As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{1}{G}
Steely Resolve
Enchantment
As Steely Resolve enters the battlefield, choose a creature type.
Creatures of the chosen type have shroud. (They can't be the targets of spells or abilities.)
--
Stomping Ground
Land - Mountain Forest
({T}: Add {R} or {G}.)
As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{1}{G}
Sylvan Scrying
Sorcery
Search your library for a land card, reveal it, put it into your hand, then shuffle.
{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}{U}{U}
Telekinetic Sliver
Creature - Sliver
All Slivers have "{T}: Tap target permanent."
2 /
2
--
Temple Garden
Land - Forest Plains
({T}: Add {G} or {W}.)
As Temple Garden enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{U}
Training Grounds
Enchantment
Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.
{1}{U}
Unnatural Selection
Enchantment
{1}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.
{B}
Vampiric Tutor
Instant
Search your library for a card, then shuffle and put that card on top. You lose 2 life.
--
Volrath's Stronghold
Legendary Land
{T}: Add {C}.
{1}{B}, {T}: Put target creature card from your graveyard on top of your library.
{4}{W}
Ward Sliver
Creature - Sliver
As Ward Sliver enters the battlefield, choose a color.
All Slivers have protection from the chosen color.
2 /
2
{X}{G}{W}{U}
Wargate
Sorcery
Search your library for a permanent card with mana value X or less, put it onto the battlefield, then shuffle.
--
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.
{G/W}{G/W}
Wheel of Sun and Moon
Enchantment - Aura
Enchant player
If a card would be put into enchanted player's graveyard from anywhere, instead that card is revealed and put on the bottom of that player's library.
--
Windswept Heath
Land
{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.
--
Wooded Foothills
Land
{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.
{G}
Worldly Tutor
Instant
Search your library for a creature card, reveal it, then shuffle and put the card on top.
--
Yavimaya Coast
Land
{T}: Add {C}.
{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.
{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.)