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

Alpine Meadow enters the battlefield tapped.

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

Arctic Treeline enters the battlefield tapped.

Azorius Guildgate enters the battlefield tapped.

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

Sliver creatures you control get +2/+0.

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

Creatures you control have base power and toughness X/X until end of turn.

{T}: Add {C}.

{3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Bloodfell Caves enters the battlefield tapped.

When Bloodfell Caves enters the battlefield, you gain 1 life.

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

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

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

All Sliver creatures get +2/+0.

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

You may pay {W}{U}{B}{R}{G} rather than pay this spell's mana cost.

Trample

At the beginning of your upkeep, you may pay 2 life. If you do, search your library for a card, then shuffle and put that card on top.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Counter target spell.

Sliver creatures you control get +2/+0.

{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."

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.

Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

This spell costs {1} less to cast for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Search your library for a card, put it into your hand, then shuffle. If you have a full party, you may cast a spell with mana value 4 or less from your hand without paying its mana cost.

{T}: Add {R}.

{T}: Add {G}.

Crumbling Necropolis enters the battlefield tapped.

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

Destroy target creature. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

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

Draw two cards. You may put a land card from your hand onto the battlefield.

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}.)

({T}: Add {G}.)

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

All Sliver creatures have frenzy 1. (Whenever a Sliver attacks and isn't blocked, it gets +1/+0 until end of turn.)

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 Sliver creatures have double strike.

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

Glacial Floodplain enters the battlefield tapped.

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

Gruul Guildgate enters the battlefield tapped.

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

Guildless Commons enters the battlefield tapped.

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

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

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

Highland Forest enters the battlefield tapped.

Create two 1/1 colorless Sliver creature tokens.

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 {U} or {B}.)

Ice Tunnel enters the battlefield tapped.

({T}: Add {U}.)

({T}: Add {U}.)

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

{U}{R}{W}, {T}, Sacrifice Jeskai Banner: Draw a card.

Jungle Hollow enters the battlefield tapped.

When Jungle Hollow enters the battlefield, you gain 1 life.

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

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

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

Sliver creatures you control have first strike.

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."

All Sliver creatures have absorb 1. (If a source would deal damage to a Sliver, prevent 1 of that damage.)

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

{R}{W}{B}, {T}, Sacrifice Mardu Banner: Draw a card.

Changeling (This card is every creature type.)

When Masked Vandal enters the battlefield, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

Sliver creatures you control get +3/+3.

All Sliver creatures get +2/+2.

Whenever a creature you control dies, you gain 1 life and draw a card.

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.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Mosswort Bridge enters the battlefield tapped.

{T}: Add {G}.

{G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

({T}: Add {R}.)

Blue spells and red spells you cast cost {1} less to cast.

{1}{B}: Regenerate Nightscape Familiar.

Counter target creature or planeswalker spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Scry 1.

X target creatures can't be blocked this turn. Until end of turn, those creatures gain "Whenever this creature deals combat damage to a player, draw a card."

Orzhov Guildgate enters the battlefield tapped.

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

{1}, {T}: Add {W}{B}.

Path of Ancestry enters the battlefield 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.)

When Path to the World Tree enters the battlefield, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

{2}{W}{U}{B}{R}{G}, Sacrifice Path to the World Tree: You gain 2 life and draw two cards. Target opponent loses 2 life. Path to the World Tree deals 2 damage to up to one target creature. You create a 2/2 green Bear creature token.

({T}: Add {W}.)

At the beginning of your upkeep, draw a card if you control a creature with the greatest power among creatures on the battlefield. Otherwise, put a +1/+1 counter on a creature you control.

Rakdos Guildgate enters the battlefield tapped.

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

Changeling (This card is every creature type.)

As Realmwalker enters the battlefield, 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.

As Reflections of Littjara enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

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

Rimewood Falls enters the battlefield tapped.

Destroy all nonland permanents your opponents control.

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.

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

All Sliver creatures have flanking. (Whenever a creature without flanking blocks a Sliver, the blocking creature gets -1/-1 until end of turn.)

Simic Guildgate enters the battlefield tapped.

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

{1}, {T}: Add {G}{U}.

All Sliver creatures get +1/+1.

Vigilance

{T}: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.

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

Snowfield Sinkhole enters the battlefield tapped.

All Sliver creatures have reach.

All Sliver creatures have first strike.

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} or {R}.)

Sulfurous Mire enters the battlefield tapped.

Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order.

({T}: Add {B}.)

All Sliver creatures have vigilance.

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

Target creature you control gets +1/+0 until end of turn and can't be blocked this turn.

Overload {3}{U}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

Thriving Bluff enters the battlefield tapped.

As Thriving Bluff enters the battlefield, choose a color other than red.

{T}: Add {R} or one mana of the chosen color.

Thriving Heath enters the battlefield tapped.

As Thriving Heath enters the battlefield, choose a color other than white.

{T}: Add {W} or one mana of the chosen color.

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

Tranquil Cove enters the battlefield tapped.

When Tranquil Cove enters the battlefield, you gain 1 life.

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

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

Changeling (This card is every creature type.)

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.)

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

Volatile Fjord enters the battlefield tapped.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Destroy target land.

II -- Put target land card from a graveyard onto the battlefield under your control.

III -- Choose target opponent. If they control fewer lands than you, create a number of 4/4 green Troll Warrior creature tokens with trample equal to the difference.

Whenever you cast a spell, you may put two +1/+1 counters on Witch-Maw Nephilim.

Whenever Witch-Maw Nephilim attacks, it gains trample until end of turn if its power is 10 or greater.

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

Woodland Chasm enters the battlefield tapped.

Whenever Yore-Tiller Nephilim attacks, return target creature card from your graveyard to the battlefield tapped and attacking.