{T}: Add {C}.

{3}, {T}: Target creature with power 3 or less can't be blocked this turn.

{1}{B}, Pay 2 life: Draw a card.

At the beginning of your upkeep, if you have 5 or less life, you may transform Arguel's Blood Fast.

(Transforms from Arguel's Blood Fast.)

{T}: Add {B}.

{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

Exile up to five target creature cards from graveyards. An opponent separates those cards into two piles. Put all cards from the pile of your choice onto the battlefield under your control and the rest into their owners' graveyards.

{B}: Breathstealer gets +1/-1 until end of turn.

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.

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

Add {B}{B}{B}.

Threshold -- Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.

{T}: Add {C}.

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

Defender, indestructible

{10}: Monstrosity 10. (If this creature isn't monstrous, put ten +1/+1 counters on it and it becomes monstrous.)

As long as Colossus of Akros is monstrous, it has trample and can attack as though it didn't have defender.

Dark Depths enters the battlefield with ten ice counters on it.

{3}: Remove an ice counter from Dark Depths.

When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

Add {B}{B}{B}.

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

When Eye of Vecna enters the battlefield, you draw a card and you lose 2 life.

At the beginning of your upkeep, you may pay {2}. If you do, you draw a card and you lose 2 life.

Flying

At the beginning of combat on your turn, equipped creature or a creature you control named Vecna gets +X/+X until end of turn, where X is the number of cards in your hand.

Equip--Pay 1 life for each card in your hand.

Equip {2}

Equipped creature has first strike, trample, and haste.

{1}: If you control Equipment named Helm of Kaldra, Sword of Kaldra, and Shield of Kaldra, create Kaldra, a legendary 4/4 colorless Avatar creature token. Attach those Equipment to it.

Equip {2}

Living weapon

Indestructible

Equipped creature gets +5/+5 and has first strike, trample, indestructible, haste, and "Whenever this creature deals combat damage to a creature, exile that creature."

Equip {7}

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

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

{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.

{T}: Add {C}.

{1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

Myojin of Night's Reach enters the battlefield with a divinity counter on it if you cast it from your hand.

Myojin of Night's Reach has indestructible as long as it has a divinity counter on it.

Remove a divinity counter from Myojin of Night's Reach: Each opponent discards their hand.

When Oubliette enters the battlefield, target creature phases out until Oubliette leaves the battlefield. Tap that creature as it phases in this way. (Auras and Equipment phase out with it. While permanents are phased out, they're treated as though they don't exist.)

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.

{B}: Pestilence deals 1 damage to each creature and each player.

{T}: Add {C}.

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

You have no maximum hand size.

{T}: Add {C}.

Put all creature cards from all graveyards onto the battlefield under your control.

{T}: Add {C}.

{1}, {T}: Tap target land.

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

Equipment named Sword of Kaldra, Shield of Kaldra, and Helm of Kaldra have indestructible.

Equipped creature has indestructible. (Damage and effects that say "destroy" don't destroy it.)

Equip {4}

{T}: Add {B}.

{B}, {T}: Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

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

Flying, trample, haste, protection from black

Spirit of the Night has first strike as long as it's attacking.

Indestructible

As Stuffy Doll enters the battlefield, choose a player.

Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player.

{T}: Stuffy Doll deals 1 damage to itself.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Equipped creature gets +5/+5.

Whenever equipped creature deals damage to a creature, exile that creature. (Exile it only if it's still on the battlefield.)

Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

At the beginning of your end step, if you lost 2 or more life this turn, create a 2/2 black Zombie creature token.

{T}, Exile The Book of Vile Darkness and artifacts you control named Eye of Vecna and Hand of Vecna: Create Vecna, a legendary 8/8 black Zombie God creature token with indestructible and all triggered abilities of the exiled cards.

{T}: Add {C}.

{2}, {T}: Thespian's Stage becomes a copy of target land, except it has this ability.

{T}: Add {B}.

{T}: Target creature loses first strike or swampwalk until end of turn.

{B}, Sacrifice Urborg Panther: Destroy target creature blocking Urborg Panther.

Sacrifice a creature named Feral Shadow, a creature named Breathstealer, and Urborg Panther: Search your library for a card named Spirit of the Night, put that card onto the battlefield, then shuffle.

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

{T}: Add {C}.

{7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

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

I -- Urza's Saga gains "{T}: Add {C}."

II -- Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"

III -- Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

First strike

Sacrifice Vampire Hexmage: Remove all counters from target permanent.

Deathtouch

Boast -- {1}{B}: Target player searches their library for a card, then shuffles and puts that card on top. (Activate only if this creature attacked this turn and only once each turn.)

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

{T}: Add {C}.

{5}, {T}, Pay 1 life: Create a 1/1 white and black Human Cleric creature token.

{5}, {T}, Sacrifice five creatures: Transform Westvale Abbey, then untap it.

Flying, lifelink, indestructible, haste

({T}: Add {B}.)

Witch's Cottage enters the battlefield tapped unless you control three or more other Swamps.

When Witch's Cottage enters the battlefield untapped, you may put target creature card from your graveyard on top of your library.