Creatures you control have flying, first strike, vigilance, trample, haste, and protection from black and from red.

Whenever equipped creature attacks, put four +1/+1 counters on it. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Prevent all combat damage that would be dealt to attacking creatures you control.

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

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

As Herald's Horn enters the battlefield, 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.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) As Obelisk of Urd enters the battlefield, choose a creature type. Creatures you control of the chosen type get +2/+2.

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

This spell costs {X} less to cast, where X is the greatest power among creatures you control. {T}: Add {G}{G}. You gain 2 life. Whenever a nontoken creature enters the battlefield under your control, put a +1/+1 counter on it and draw a card.

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

All Sliver creatures have trample.

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

Sliver creatures you control have flying and haste.

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}.

Sliver creatures you control have exalted. (Whenever a creature you control attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents you control.)

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.)

Sliver creatures you control have flying.

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

All Slivers are colorless.

All Slivers have "When this permanent enters the battlefield, 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 Slivers have "Pay 2 life: Return this permanent to its owner's hand."

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.)

Whenever a Sliver you control attacks, defending player loses 1 life.

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."

Sliver creatures you control get +3/+3.

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

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

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

Slivers can't be blocked except by Slivers.

All Sliver creatures get +1/+1.

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

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

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

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

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

Sliver creatures you control have "Whenever this creature attacks, it deals 1 damage to any target."

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

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.)

As Ward Sliver enters the battlefield, choose a color. All Slivers have protection from the chosen color.

Nontoken creatures you control get +1/+1 and have vigilance.

Whenever a creature you control with a +1/+1 counter on it deals combat damage to a player, you may draw a card.

Creatures you control get +3/+3.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

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

The first creature spell you cast each turn costs {2} less to cast. Whenever an opponent casts their first noncreature spell each turn, Shadow in the Warp deals 2 damage to that player.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Arcane Sanctum enters the battlefield tapped. {T}: Add {W}, {U}, or {B}.

Bloodfell Caves enters the battlefield tapped. When Bloodfell Caves enters the battlefield, you gain 1 life. {T}: Add {B} or {R}.

Blossoming Sands enters the battlefield tapped. When Blossoming Sands enters the battlefield, you gain 1 life. {T}: Add {G} or {W}.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}, Sacrifice Cave of Temptation: Put two +1/+1 counters on target creature. Activate only as a sorcery.

As Cavern of Souls 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, and that spell can't be countered.

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

Crumbling Necropolis enters the battlefield tapped. {T}: Add {U}, {B}, or {R}.

Dismal Backwater enters the battlefield tapped. When Dismal Backwater enters the battlefield, you gain 1 life. {T}: Add {U} or {B}.

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

({T}: Add {G}.)

({T}: Add {W}, {B}, or {G}.) Indatha Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

({T}: Add {U}.)

Jungle Hollow enters the battlefield tapped. When Jungle Hollow enters the battlefield, you gain 1 life. {T}: Add {B} or {G}.

Jungle Shrine enters the battlefield tapped. {T}: Add {R}, {G}, or {W}.

({T}: Add {G}, {U}, or {R}.) Ketria Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

({T}: Add {R}.)

{T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

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.)

({T}: Add {W}.)

({T}: Add {U}, {R}, or {W}.) Raugrin Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Rugged Highlands enters the battlefield tapped. When Rugged Highlands enters the battlefield, you gain 1 life. {T}: Add {R} or {G}.

Savage Lands enters the battlefield tapped. {T}: Add {B}, {R}, or {G}.

({T}: Add {R}, {W}, or {B}.) Savai Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Scoured Barrens enters the battlefield tapped. When Scoured Barrens enters the battlefield, you gain 1 life. {T}: Add {W} or {B}.

Seaside Citadel enters the battlefield tapped. {T}: Add {G}, {W}, or {U}.

({T}: Add {B}.)

Swiftwater Cliffs enters the battlefield tapped. When Swiftwater Cliffs enters the battlefield, you gain 1 life. {T}: Add {U} or {R}.

Thornwood Falls enters the battlefield tapped. When Thornwood Falls enters the battlefield, you gain 1 life. {T}: Add {G} or {U}.

Tranquil Cove enters the battlefield tapped. When Tranquil Cove enters the battlefield, you gain 1 life. {T}: Add {W} or {U}.

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.

Wind-Scarred Crag enters the battlefield tapped. When Wind-Scarred Crag enters the battlefield, you gain 1 life. {T}: Add {R} or {W}.

Each player sacrifices all permanents they control that are one or more colors.