All Slivers have "Sacrifice this permanent: Add {B}{B}."

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. {T}: The next time target creature adapts this turn, it adapts as though it had no +1/+1 counters on it.

Flying {T}: Add one mana of any color.

{T}: For each color among permanents you control, add one mana of that color.

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

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

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.

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

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

As this artifact enters, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

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 creature enters, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it.

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

Changeling (This card is every creature type.) As Morophon enters, 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.

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Sliver creatures you control get +3/+3.

Sliver creatures you control get +1/+1.

({T}: Add {G} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Indestructible {T}: Add {C}. {5}, {T}: Add five mana in any combination of colors.

As this land enters, 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.

{T}: Add one mana of any color that a land an opponent controls could produce.

({T}: Add {W} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {B} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters 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.)

{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.

({T}: Add {U} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {R} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {G} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

As Three Tree City enters, choose a creature type. {T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to the number of creatures you control of the chosen type.

({T}: Add {U} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Each Sliver creature card in your graveyard has unearth {2}. Unearth {2} ({2}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a 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.

Sliver creatures you control have "When this creature enters, it deals 1 damage to target player or planeswalker and you gain 1 life."

All Slivers have "Sacrifice this permanent: You gain 3 life."

Whenever a Sliver deals damage, its controller gains that much life.

All Slivers have "{2}, Sacrifice this permanent: This permanent deals 2 damage to any target."

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Exile target nonland permanent. You lose 3 life.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Sliver creatures you control have "When this creature enters, you may exile target creature an opponent controls until this creature leaves the battlefield."

Choose a creature type. Creatures that aren't of the chosen type get -3/-3 until end of turn.

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Choose one or more — • Exile all artifacts. • Exile all creatures. • Exile all enchantments. • Exile all graveyards.

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

Choose a creature type. Destroy all creatures that aren't of the chosen type.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

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

Choose a creature type. Return all creatures that aren't of the chosen type to their owners' hands.

Sliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker."

At the beginning of your upkeep, reveal the top card of your library. If it's a creature card that shares a creature type with a creature you control, you may cast it without paying its mana cost. If you don't cast it, put it on the bottom of your library.

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

All Sliver creatures have defender. All Slivers have "When this permanent enters, draw a card."

Choose a creature type. Look at the top six cards of your library. You may reveal any number of cards of the chosen type from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order. Flashback {3}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Sliver creatures you control have "{T}, Discard a card: Draw a card."

As this enchantment enters, choose a creature type. Whenever a creature you control of the chosen type enters or attacks, draw a card.

All Slivers have "{2}, Sacrifice this permanent: Draw a card."

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

Changeling (This card is every creature type.) As this creature enters, 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.

Sliver creatures you control have "When this creature enters, Slivers you control get +1/+1 until end of turn if you're the monarch. Otherwise, you become the monarch."

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Whenever a Sliver deals combat damage to a player, its controller may draw a card.

All Slivers have "{2}: Regenerate this permanent."

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

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

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}.

Permanents you control gain hexproof and indestructible until end of turn.

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

Flash Any player may cast Sliver spells as though they had flash.

This spell can't be countered. Sliver spells can't be countered.

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 this turn, instead tap it, remove it from combat, and heal all damage on it.)

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

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

All Sliver creatures have reach.

Sliver creatures you control have "When this creature enters, goad target creature an opponent controls." (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.) Exile Teferi's Protection.

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

Replicate {1}{G} (When you cast this spell, copy it for each time you paid its replicate cost.) Each Sliver spell you cast has replicate. The replicate cost is equal to its mana cost. (A copy of a permanent spell becomes a token.)

Sliver creatures you control have flying and haste.

Sliver creatures you control have flying.

All Sliver creatures have trample.

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."

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

Slivers can't be blocked except by Slivers.

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

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