{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Flying

Your opponents can't gain life.

At the beginning of each end step, each opponent loses life equal to the life that player lost this turn. (Damage causes loss of life.)

({2/B} can be paid with any two mana or with {B}. This card's mana value is 6.)

Search your library for a card with mana value less than or equal to the number of lands you control, reveal it, put it into your hand, then shuffle.

Blast Zone enters the battlefield with a charge counter on it.

{T}: Add {C}.

{X}{X}, {T}: Put X charge counters on Blast Zone.

{3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone.

{2}, {T}: Add {B} for each Swamp you control.

{T}: Add {C}.

{3}, {T}: Add {B} for each basic Swamp you control.

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 {C}.

{T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Whenever you tap a Swamp for mana, add an additional {B}.

{T}: Add {C}.

{T}, Sacrifice Crystal Vein: Add {C}{C}.

Destroy all creatures. They can't be regenerated.

If you control a commander, you may cast this spell without paying its mana cost.

Exile target creature.

If an opponent controls a Forest and you control a Swamp, you may cast this spell without paying its mana cost.

{B}: Deepwood Legate gets +1/+1 until end of turn.

Flying, trample

When Demonlord Belzenlok enters the battlefield, exile cards from the top of your library until you exile a nonland card, then put that card into your hand. If the card's mana value is 4 or greater, repeat this process. Demonlord Belzenlok deals 1 damage to you for each card put into your hand this way.

Flying, trample

At the beginning of your upkeep, sacrifice a creature.

Sacrifice a creature: Regenerate Devouring Strossus.

Search your library for a card, put that card into your hand, then shuffle.

Return target creature card from your graveyard to the battlefield.

Flashback--Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Ebon Stronghold enters the battlefield tapped.

{T}: Add {B}.

{T}, Sacrifice Ebon Stronghold: Add {B}{B}.

{B}: Endling gains menace until end of turn.

{B}: Endling gains deathtouch until end of turn.

{B}: Endling gains undying until end of turn. (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

{1}: Endling gets +1/-1 or -1/+1 until end of turn.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand.

{T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

Trample

Whenever Geode Golem deals combat damage to a player, you may cast your commander from the command zone without paying its mana cost. (You still pay any additional costs.)

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Menace

When Grief enters the battlefield, target opponent reveals their hand. You choose a nonland card from it. That player discards that card.

Evoke--Exile a black card from your hand.

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

{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add {B}.

{T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost.

All creatures get -2/-2 until end of turn.

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn.

Whenever a creature an opponent controls dies, that player loses 2 life.

Choose one --

• Search your library for a card, put it into your hand, then shuffle.

• Put a card you own from outside the game into your hand.

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a Human deals damage to you, destroy it.

Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

All creatures get -1/-1 until end of turn for each Swamp you control.

As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards.

Peat Bog enters the battlefield tapped with two depletion counters on it.

{T}, Remove a depletion counter from Peat Bog: Add {B}{B}. If there are no depletion counters on Peat Bog, sacrifice it.

When you cast this spell, any player may discard three cards. If a player does, counter Phantasmagorian.

Discard three cards: Return Phantasmagorian from your graveyard to your hand.

Trample

Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.

If Scorched Ruins would enter the battlefield, sacrifice two untapped lands instead. If you do, put Scorched Ruins onto the battlefield. If you don't, put it into its owner's graveyard.

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

Deathtouch

Whenever you draw a card, you gain 2 life.

Whenever an opponent draws a card, they lose 2 life.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature.

Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Flying

Discard a card: Add {B}.

Flying

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{B}: Skithiryx, the Blight Dragon gains haste until end of turn.

{B}{B}: Regenerate Skithiryx.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.

Destroy target nonblack creature. It can't be regenerated.

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

You may exile two black cards from your hand rather than pay this spell's mana cost.

Soul Spike deals 4 damage to any target and you gain 4 life.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

({T}: Add {B}.)

({T}: Add {B}.)

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({T}: Add {B}.)

{T}: Add {B}.

Channel -- {3}{B}, Discard Takenuma, Abandoned Mire: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.

{T}: Add {C}{C}. Activate only if you control five or more lands.

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

{T}: Add {C}.

{X}{X}, {T}, Sacrifice Treasure Vault: Create X Treasure tokens.

You may exile a black card from your hand rather than pay this spell's mana cost.

Target player reveals their hand. You choose a nonland card from it. That player discards that card.

Untaidake, the Cloud Keeper enters the battlefield tapped.

{T}, Pay 2 life: Add {C}{C}. Spend this mana only to cast legendary spells.

Each land is a Swamp in addition to its other land types.

You may have Vesuva enter the battlefield tapped as a copy of any land on the battlefield.