Return up to three target creature cards of the creature type of your choice from your graveyard to your hand.

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

Destroy target tapped creature.

Search target player's library for a card and exile it. Then that player shuffles.

Gravestorm (When you cast this spell, copy it for each permanent put into a graveyard this turn. You may choose new targets for the copies.)

{T}: Add {C}.

{4}{B}, {T}, Sacrifice Blighted Fen: Target opponent sacrifices a creature.

Each opponent loses 3 life. You gain life equal to the life lost this way.

You may look at the top card of your library any time.

You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.

{T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

When Brain Maggot enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card until Brain Maggot leaves the battlefield.

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

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

{X}: Crypt Rats deals X damage to each creature and each player. Spend only black mana on X.

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

Return X target creature cards from your graveyard to your hand.

Destroy target green or white creature.

Target player sacrifices a creature.

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

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

Destroy target nonblack creature.

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

Choose one --

• Target opponent loses 1 life and you gain 1 life.

• Exile up to three target cards from a single graveyard.

• Target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

{T}, Exile Feldon's Cane: Shuffle your graveyard into your library.

Put any number of target creature cards from your graveyard on top of your library.

Draw a card.

Whenever an opponent discards a card, you may draw a card.

Put any number of target creature cards from your graveyard on top of your library.

Draw a card.

Choose one or both --

• Return target creature card from your graveyard to your hand.

• Return target land card from your graveyard to your hand.

{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process.

Target creature gets +3/+1 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Destroy target nonblack creature. Its controller loses 2 life.

{2}{B}: Infected Vermin deals 1 damage to each creature and each player.

Threshold -- {3}{B}: Infected Vermin deals 3 damage to each creature and each player. Activate only if seven or more cards are in your graveyard.

Ninjutsu {3}{B}{B} ({3}{B}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Ink-Eyes, Servant of Oni deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.

{1}{B}: Regenerate Ink-Eyes.

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

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

Equip {0}

Whenever an opponent discards a card, that player loses 2 life.

{1}, {T}: Untap target creature that has an activated ability with {T} in its cost.

All Rats have fear.

{T}, Sacrifice a Rat: Create X 1/1 black Rat creature tokens, where X is the number of Rats you control.

Target player discards two cards.

Destroy target creature.

Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it.

{1}{B}, {T}: Target opponent discards a card. Then if that player has no cards in hand, flip Nezumi Shortfang.

At the beginning of each opponent's upkeep, that player loses 1 life for each card fewer than three in their hand.

Pack Rat's power and toughness are each equal to the number of Rats you control.

{2}{B}, Discard a card: Create a token that's a copy of Pack Rat.

Rats you control have menace.

{1}{B}, {T}: Create a 1/1 black Rat creature token.

{2}{B}{B}, {T}, Sacrifice three Rats: Gain control of target creature.

This spell costs {2} less to cast if it targets a legendary creature.

Destroy target creature.

Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Skulk (This creature can't be blocked by creatures with greater power.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats.

A deck can have any number of cards named Relentless Rats.

Choose one --

• Return target creature card from your graveyard to your hand.

• Return two target creature cards that share a creature type from your graveyard to your hand.

{T}: Add {C}.

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

Exile target card from a graveyard. You gain 3 life.

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

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{1}, {T}: You gain 1 life.

This spell can't be countered.

Target opponent reveals their hand. Exile all noncreature, nonland cards from that player's hand and graveyard.

You have no maximum hand size.

{T}: Add {C}.

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Target opponent sacrifices a creature. If you control a creature with power 4 or greater, you gain 4 life.

Return target creature card with mana value 3 or less from your graveyard to the battlefield.

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

Return up to two target creature cards from your graveyard to your hand.

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

({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.