Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Prevent all combat damage that would be dealt to players this turn.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Destroy target artifact or enchantment.

{T}: Add {W}, {B}, or {G}. {W}{B}{G}, {T}, Sacrifice this artifact: Draw a card.

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

This artifact enters tapped. {T}: Add {B}.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

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

This artifact enters tapped. This artifact has all activated abilities of all lands on the battlefield. You may spend mana as though it were mana of any color to pay the activation costs of this artifact's abilities.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

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 this artifact enters, choose a creature type. Creatures you control of the chosen type get +2/+2.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {G} or {W}.

{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 {C}. {T}, Sacrifice this land: Search your library for a basic Plains, Swamp, or Forest card, put it onto the battlefield tapped, then shuffle. Cycling {W}{B}{G} ({W}{B}{G}, Discard this card: Draw a card.)

{T}, Sacrifice this land: 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.

({T}: Add {G}.)

({T}: Add {B} or {G}.) This land enters tapped.

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

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {G}.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

({T}: Add {W}.)

({T}: Add {G} or {W}.) This land enters tapped.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {W} or {B}.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {G}{W}.

This land enters tapped. {T}: Add {W} or {B}. {4}, {T}: Scry 1.

({T}: Add {W} or {B}.) This land enters tapped.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {B} or {G}. Activate only if you control a Swamp.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

{T}: Prevent the next 1 damage that would be dealt to any target this turn. Put a -1/-1 counter on this creature: Untap this creature.

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

{G}, Sacrifice this creature: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {G}. Put a -1/-1 counter on this creature: Untap this creature.

Constellation — Whenever this creature or another enchantment you control enters, creatures your opponents control get -1/-1 until end of turn.

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

When this creature enters, look at the top five cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order.

Constellation — Whenever this creature or another enchantment you control enters, each opponent loses 1 life.

Tokens you control have "{T}: Add {G}." Choose a Background (You can have a Background as a second commander.)

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add X mana of any one color, where X is the number of enchantments you control.

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.")

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

You may play an additional land this turn. Draw a card.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Choose one or more — • Exile all artifacts. • Exile all creatures. • Exile all enchantments. • Exile all graveyards.

When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.

At the beginning of your first main phase, choose one or more — • Sell Contraband — Create a Treasure token. You lose 1 life. • Buy Information — Draw a card. You lose 2 life. • Hire a Mercenary — Create a 3/2 colorless Shapeshifter creature token with changeling. You lose 3 life. (It has every creature type.)

As this enchantment enters, choose a creature type. Creatures you control are the chosen type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

As this enchantment enters, choose a creature type. Creatures of the chosen type have fear. (They can't be blocked except by artifact creatures and/or black creatures.)

({G/W} can be paid with either {G} or {W}.) Other permanents you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

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

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

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

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

Outlast {2} ({2}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Other Sliver creatures you control have outlast {2}.

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

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

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

All Sliver creatures have trample.

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

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

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."

All Sliver creatures get +0/+1.

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

All Sliver creatures have haste.

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

All Sliver creatures get +1/+1.

All Sliver creatures have "{2}: This creature gets +1/+1 until end of turn."

All Sliver creatures have reach.

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."

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