{T}: Add one mana of any color. Spend this mana only to cast a creature spell.

Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

{1}{G}: Regenerate target creature.

Sliver creatures you control get +2/+0.

Sliver creatures you control have menace. (They can't be blocked except by two or more creatures.)

Sliver creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Sliver creatures you control have double strike. (They deal both first-strike and regular combat damage.)

Boros Garrison enters the battlefield tapped.

When Boros Garrison enters the battlefield, return a land you control to its owner's hand.

{T}: Add {R}{W}.

Boros Guildgate enters the battlefield tapped.

{T}: Add {R} or {W}.

Whenever a Sliver deals combat damage to a player, its controller may create a 1/1 colorless Sliver creature token.

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.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

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.)

{T}: Add one mana of any color in your commander's color identity.

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."

All Slivers have "{T}: Regenerate target Sliver."

All Slivers have shroud. (They can't be the targets of spells or abilities.)

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.

Enchant creature

Enchanted creature is an Insect artifact creature with base power and toughness 0/1 and has indestructible, and it loses all other abilities, card types, and creature types.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors.

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}.

Dimir Guildgate enters the battlefield tapped.

{T}: Add {U} or {B}.

Choose a creature type. Draw a card for each permanent you control of that type.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Sliver creatures you control have flying.

All Slivers have "{T}: Add one mana of any color."

Exile target creature. Create a Gold token. (It's an artifact with "Sacrifice this artifact: Add one mana of any color.")

Golgari Guildgate enters the battlefield tapped.

{T}: Add {B} or {G}.

Gruul Guildgate enters the battlefield tapped.

{T}: Add {R} or {G}.

All Slivers have "When this permanent enters the battlefield, destroy target artifact or enchantment."

All Slivers have "Pay 2 life: Return this permanent to its owner's hand."

Create two 1/1 colorless Sliver creature tokens.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Izzet Guildgate enters the battlefield tapped.

{T}: Add {U} or {R}.

Jungle Shrine enters the battlefield tapped.

{T}: Add {R}, {G}, or {W}.

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.

Whenever a Sliver you control attacks, defending player loses 1 life.

Enchant creature

Enchanted creature is a Treefolk with base power and toughness 0/4 and loses all abilities.

{T}: Add {C}.

{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

All Slivers have "{T}: Target Sliver creature gets +X/+0 until end of turn, where X is the number of Slivers on the battlefield."

Sliver creatures you control have "{T}: Add one mana of any color."

Sliver creatures you control get +3/+3.

All Slivers have "When this permanent enters the battlefield, you may fateseal 1." (To fateseal 1, its controller looks at the top card of an opponent's library, then they may put that card on the bottom of that library.)

All Sliver creatures get +2/+2.

({T}: Add {R}.)

({T}: Add {R}.)

All Sliver creatures get +1/+1.

{T}: Add {C}.

{1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."

{T}: Add {C}.

{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card."

Orzhov Guildgate enters the battlefield tapped.

{T}: Add {W} or {B}.

Destroy all creatures, then create an X/X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

All Sliver creatures get +0/+1.

Sliver creatures you control get +1/+1.

Lands you control are every basic land type in addition to their other types.

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."

Rakdos Carnarium enters the battlefield tapped.

When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.

{T}: Add {B}{R}.

Rakdos Guildgate enters the battlefield tapped.

{T}: Add {B} or {R}.

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.

Savage Lands enters the battlefield tapped.

{T}: Add {B}, {R}, or {G}.

Search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Selesnya Guildgate enters the battlefield tapped.

{T}: Add {G} or {W}.

Sliver creatures you control have vigilance. (Attacking doesn't cause them to tap.)

All Sliver creatures have shadow. (They can block or be blocked by only creatures with shadow.)

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Slivers can't be blocked except by Slivers.

Simic Guildgate enters the battlefield tapped.

{T}: Add {G} or {U}.

All Sliver creatures get +1/+1.

{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.

Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.)

All Sliver creatures get +1/+1 for each other Sliver on the battlefield.

{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.)

{T}: Add {C}{C}.

Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.

Sliver creatures you control get +0/+1.

Sliver creatures you control have first strike. (They deal combat damage before creatures without first strike.)

({T}: Add {B}.)

({T}: Add {B}.)

Sliver creatures you control have lifelink. (Damage dealt by a Sliver creature you control also causes you to gain that much life.)

Tempting offer -- Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.

Sliver creatures you control have "Whenever this creature attacks, it deals 1 damage to any target."

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.

Sliver creatures you control have deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

All Sliver creatures have poisonous 1. (Whenever a Sliver deals combat damage to a player, that player gets a poison counter. A player with ten or more poison counters loses the game.)

As Ward Sliver enters the battlefield, choose a color.

All Slivers have protection from the chosen color.

Destroy all creatures. They can't be regenerated.