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

Equipped creature gets +1/+1. Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

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

When this artifact enters, exile target card from a graveyard. {T}, Sacrifice this artifact: Exile each opponent's graveyard. {1}, {T}, Sacrifice this artifact: Draw a card.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When this creature dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When this creature enters, each opponent discards a card.

When this creature enters, target opponent puts a card from their hand on top of their library.

Defender {T}: Creatures you control gain haste until end of turn.

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

When this creature dies, you may pay {B}. If you do, target player discards a card.

Each opponent's maximum hand size is reduced by one.

This creature has deathtouch as long as you control an artifact. This creature has menace as long as you control an enchantment. (It can't be blocked except by two or more creatures.)

When this creature dies, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token. Rats you control have deathtouch.

This creature gets +1/+0 for each other Rat you control. Threshold — Whenever you attack with one or more Rats, if seven or more cards are in your graveyard, you may pay {2}{B}. If you do, return this card from your graveyard to the battlefield tapped and attacking.

Pestilence Rats's power is equal to the number of other Rats on the battlefield. (For example, as long as there are two other Rats on the battlefield, Pestilence Rats's power and toughness are 2/3.)

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 creature gets +1/+0 for each other Rat you control. A deck can have any number of cards named Rat Colony.

When this creature enters, target opponent discards a card.

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

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When this creature enters, each opponent discards a card. For each opponent who can't, you draw a card.

{B}, Pay 1 life: This creature gets +1/+0 until end of turn. Activate no more than three times each turn.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever this creature deals combat damage to a player, each player discards a card.

Swarm of Rats's power is equal to the number of Rats you control.

This creature can't block. When this creature dies, create X 1/1 black Rat creature tokens with "This token can't block," where X is the amount of damage dealt to it this turn.

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

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

When this creature enters, create a 1/1 black Rat creature token with "This token can't block." Whenever another creature you control dies, put a +1/+1 counter on this creature.

Black creatures get +1/+1.

Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it.

Enchant creature Enchanted creature gets +1/+1. When enchanted creature dies, return that card to its owner's hand.

Enchant creature or planeswalker you control When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.

When this enchantment enters, create a Wicked Role token attached to target creature you control. (Enchanted creature gets +1/+1. When this token is put into a graveyard, each opponent loses 1 life.) At the beginning of your draw step, if you control an enchanted creature, you lose 1 life and you draw an additional card.

Flash When this enchantment enters, return target creature card from your graveyard to your hand. {2}{B}, Sacrifice this enchantment: Scry 2.

Target opponent exiles a creature or planeswalker they control with the greatest mana value among creatures and planeswalkers they control.

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards.

Add {B}{B}{B}.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control and you create a Treasure token." (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Target player sacrifices a creature of their choice and loses 1 life.

Choose one — • Destroy target creature with no counters on it. • Remove up to three counters from target creature.

Up to one target creature gets -1/-1 until end of turn. You create a 1/1 black Rat creature token with "This token can't block."

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

This land enters tapped. {T}: Add {B}. {2}{B}, {T}, Sacrifice this land: Return target creature card from your graveyard to your hand.

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

As an additional cost to cast this spell, pay {4} or sacrifice an artifact or creature. Destroy target creature or planeswalker.

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

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Target player draws two cards and loses 2 life.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.