Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

Enchant creature card in a graveyard

When Animate Dead enters the battlefield, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets -1/-0.

Arcane Sanctum enters the battlefield tapped.

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

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

Beanstalk Giant's power and toughness are each equal to the number of lands you control.

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Search your library for a basic land card, put it onto the battlefield, then shuffle. (Then exile this card. You may cast the creature later from exile.)

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

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.

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

{T}: Add one mana of any color.

Sliver creatures you control have flying and haste.

{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."

Changeling (This card is every creature type.)

Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

Crumbling Necropolis enters the battlefield tapped.

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

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

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

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

Indestructible

{T}: Add one mana of any color.

Sacrifice Dauntless Escort: Creatures you control gain indestructible until end of turn.

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.

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}.

All Sliver creatures have defender.

All Slivers have "When this permanent enters the battlefield, draw a card."

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.)

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

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

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

Vigilance

Faeburrow Elder gets +1/+1 for each color among permanents you control.

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

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

Fetid Pools enters the battlefield tapped.

Cycling {2} ({2}, Discard this card: Draw a card.)

All Sliver creatures have haste.

All Slivers have "{1}, Sacrifice this permanent: Target Sliver creature gets +2/+2 until end of turn."

({T}: Add {G}.)

Frontier Bivouac enters the battlefield tapped.

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

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

Gruul Guildgate enters the battlefield tapped.

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

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

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

All Sliver creatures have haste.

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

Each Sliver card in each player's hand has slivercycling {3}.

Slivercycling {3} ({3}, Discard this card: Search your library for a Sliver card, reveal it, put it into your hand, then shuffle.)

({T}: Add {W} or {U}.)

Irrigated Farmland enters the battlefield tapped.

Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

Jungle Shrine enters the battlefield tapped.

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

Enchant creature

Enchanted creature loses all abilities and has base power and toughness 1/1.

Enchant creature

When Kenrith's Transformation enters the battlefield, draw a card.

Enchanted creature loses all abilities and is a green Elk creature with base power and toughness 3/3. (It loses all other card types and creature types.)

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.

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

Amass 1. (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)

You and permanents you control gain hexproof until end of turn. (You and they can't be the targets of spells or abilities your opponents control.)

At the beginning of your upkeep, scry 1.

Whenever you cast a creature spell, you may pay {G}. If you do, draw a card.

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."

Meandering River enters the battlefield tapped.

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

Changeling (This card is every creature type.)

{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Changeling (This card is every creature type.)

As Morophon, the Boundless enters the battlefield, 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.

({T}: Add {R}.)

Suspend 3--{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

{T}: Add one mana of any color.

All Sliver creatures get +1/+1.

{T}: Add {C}.

{W/U}, {T}: Add {W}{W}, {W}{U}, or {U}{U}.

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

As an additional cost to cast this spell, sacrifice a creature.

Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield with an additional +1/+1 counter on it, then shuffle.

Nomad Outpost enters the battlefield tapped.

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

Opulent Palace enters the battlefield tapped.

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

({T}: Add {W}.)

({T}: Add {W}.)

All Sliver creatures have "{T}: This creature deals 2 damage to any target and 3 damage to itself."

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."

Flash

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

Vigilance

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Destroy all non-Giant creatures. (Then exile this card. You may cast the creature later from exile.)

When Rith's Grove enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

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

Sandsteppe Citadel enters the battlefield tapped.

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

Savage Lands enters the battlefield tapped.

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

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

Scattered Groves enters the battlefield tapped.

Cycling {2} ({2}, Discard this card: Draw a card.)

Seaside Citadel enters the battlefield tapped.

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

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

Selesnya Guildgate enters the battlefield tapped.

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

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

Each player who controls a creature with power 4 or greater draws a card. Then destroy all creatures.

Slivers can't be blocked except by Slivers.

Shivan Oasis enters the battlefield tapped.

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

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.

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.)

{2}: Create a 1/1 colorless Sliver creature token.

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

As an additional cost to cast this spell, sacrifice a creature.

Spontaneous Combustion deals 3 damage to each creature.

When Springbloom Druid enters the battlefield, you may sacrifice a land. If you do, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

({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.

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

{T}: Add {C}.

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

({T}: Add {B}.)

({T}: Add {B}.)

All Slivers have "{T}: Tap target permanent."

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

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 of your library in a random order.)

Sliver spells you cast have cascade.

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

{T}: Add {C}.

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

As Unclaimed Territory 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.

As Ward Sliver enters the battlefield, choose a color.

All Slivers have protection from the chosen color.

({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.

All Sliver creatures have flying.