Exile target nonland permanent. You lose 3 life.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

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.)

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Choose a creature type. Reveal cards from the top of your library until you reveal X creature cards of the chosen type, where X is the number of creatures you control of that type. Put those cards onto the battlefield, then shuffle the rest of the revealed cards into your library.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Exile target creature. Its controller gains life equal to its power.

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

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.

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

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.

Creatures you control are Slivers in addition to their other creature types.

{2}, {T}, Sacrifice a creature: Search your library for a creature card that shares a creature type with the sacrificed creature and has mana value equal to 1 plus that creature's mana value. Put that card onto the battlefield, then shuffle. Activate only as a sorcery.

{T}: Add {C}. {T}: Add {G} or {W}. This land deals 1 damage to you.

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

{T}: Add {C}. {T}: Add {W} or {B}. This land deals 1 damage to you.

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

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

({T}: Add {G}.)

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

This land enters tapped unless you control a Plains or a Swamp. {T}: Add {W} or {B}.

{T}: Add {C}. {T}: Add {B} or {G}. This land deals 1 damage to you.

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

({T}: Add {W}.)

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

({T}: Add {W} or {B}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

This land enters tapped unless you control a Forest or a Plains. {T}: Add {G} or {W}.

({T}: Add {B}.)

({T}: Add {B} or {G}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1.

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

Whenever you cast a creature spell, draw a card.

Changeling (This card is every creature type.) As this creature enters, choose a creature type. Whenever another creature you control of the chosen type enters, put a +1/+1 counter on this creature.

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

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

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

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

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

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.)

Constellation — Whenever this creature or another enchantment you control enters, draw a card.

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

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.)

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

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever another nontoken creature you control dies, draw a card.

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

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.)

All Sliver creatures have trample.

Sliver creatures you control have first strike.

Sliver creatures you control have afflict 2. (Whenever a creature with afflict 2 becomes blocked, defending player loses 2 life.) Whenever a nontoken Sliver you control dies, amass Slivers 2. (Put two +1/+1 counters on an Army you control. It's also a Sliver. If you don't control an Army, create a 0/0 black Sliver Army creature token first.)

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

Sliver creatures you control get +3/+3.

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Each other creature you control of the chosen type enters with an additional +1/+1 counter on it.

All Slivers have "{1}, Sacrifice this permanent: Each player discards a card."

All Sliver creatures get +1/+1.

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

Sliver creatures you control get +1/+1.

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

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.

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.)

All Sliver creatures get +1/+1.

All Sliver creatures have reach.

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

All Sliver creatures have first strike.

Sliver creatures you control have "Whenever this creature deals combat damage to a player, put a +1/+1 counter on it."

Whenever a Sliver deals combat damage to a creature, destroy that creature. It can't be regenerated.

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

As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card, reveal it, put it into your hand, then shuffle.

Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

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 basic land card, put that card onto the battlefield tapped, then shuffle.

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.

Sacrifice a creature: Regenerate target creature.

Whenever a nontoken creature you control enters, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

Creature tokens you control have "{T}: Add one mana of any color." Whenever one or more creature cards leave your graveyard, create a 0/1 green Plant creature token, then put a +1/+1 counter on each Plant you control.