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

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

You may spend mana as though it were mana of any color. {T}: Add {C}{C}{C}{C}{C}. {5}, {T}: Draw a card for each color among permanents you control.

Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value.

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.

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.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

As this artifact enters, choose a creature type. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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

Search your library for a Forest card, put it onto the battlefield, then shuffle.

As this artifact enters, choose a creature type. Whenever you cast a spell of the chosen type, put a charge counter on this artifact. Creatures you control of the chosen type get +1/+1 for each charge counter on this artifact.

Sliver creatures you control get +3/+3.

({T}: Add {G} or {W}.) This land enters tapped unless you control two or more basic lands.

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 {R} or {G}.) This land enters tapped unless you control two or more basic lands.

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

{T}: Add {C}. {5}, {T}: Add {W}{U}{B}{R}{G}.

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

This land enters tapped. {T}, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

({T}: Add {G}.)

This land enters tapped. {T}: Add {G}, {U}, or {R}.

This land enters tapped. {T}, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

({T}: Add {W} or {U}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

This land enters tapped. {T}: Add {R}, {G}, or {W}.

({T}: Add {R}.)

This land enters tapped. {T}, Sacrifice this land: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

This land enters tapped. {T}: Add {U}, {R}, or {W}.

This land enters tapped. {T}: Add {R}, {W}, or {B}.

This land enters tapped. {T}: Add {B}, {G}, or {U}.

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 {W}.)

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

This land enters tapped. {T}, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

This land enters tapped. {T}: Add {W}, {B}, or {G}.

This land enters tapped. {T}: Add {B}, {R}, or {G}.

({T}: Add {G} or {W}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {G}, {W}, or {U}.

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 or activate an ability of a creature source of the chosen type.

({T}: Add {R} or {G}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {B} or {R}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B}.)

Choose one — • Destroy all creatures. • Destroy all artifacts and enchantments.

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

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.")

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

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

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}

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

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 "Whenever this creature deals combat damage to a player, exile the top card of your library. You may play that card this turn."

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

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

As this artifact enters, 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.

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

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 in a random order.) Sliver spells you cast have cascade.

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Whenever this creature enters or attacks, you may draw a card for each other creature you control that shares a creature type with it. If you do, discard a card.

As this artifact enters, 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.

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}.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

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.

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.)

{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.)

Sliver creatures you control have flying and haste.

Sliver creatures you control have flying.

Sliver creatures you control have trample. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

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.)

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.)