Reach Whenever another creature enters the battlefield under your control, you may pay {2}. When you do, that creature deals damage equal to its power to target creature. Partner (You can have two commanders if both have partner.)

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.

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.

The "legend rule" doesn't apply to permanents you control. Each legendary creature you control gets +1/+1. Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature.

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.)

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

At the beginning of your upkeep, reveal the top card of your library. If it's a creature card that shares a creature type with a creature you control, you may cast it without paying its mana cost. If you don't cast it, put it on the bottom of your library.

When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.) Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Other Rats you control have toxic 1. When Karumonix enters the battlefield, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) At the beginning of your upkeep, you may search your library for a Rat card, reveal it, put it into your hand, then shuffle.

Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

As Species Specialist enters the battlefield, choose a creature type. Whenever a creature of the chosen type dies, you may draw a card.

Trample As long as Brawn is in your graveyard and you control a Forest, creatures you control have trample.

Black Dragon Gate enters the battlefield tapped. As Black Dragon Gate enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

{T}: Add {C}. {2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

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

Deathcap Glade enters the battlefield tapped unless you control two or more other lands. {T}: Add {B} or {G}.

{T}, Sacrifice Evolving Wilds: 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}.)

Golgari Rot Farm enters the battlefield tapped. When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{G}.

Manor Gate enters the battlefield tapped. As Manor Gate enters the battlefield, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

You have no maximum hand size. {T}: Add {C}.

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

As Secluded Courtyard 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 or activate an ability of a creature source of the chosen type.

({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.

Thriving Grove enters the battlefield tapped. As Thriving Grove enters the battlefield, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

Thriving Moor enters the battlefield tapped. As Thriving Moor enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

As Unclaimed Territory 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.

Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

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

Black creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

Add {B}{B}{B}.

You have no maximum hand size. {T}: Add one mana of any color.

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle. You take the initiative.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Whenever a player casts a creature spell, each player returns all cards with the same name as that spell from their graveyard to the battlefield.

Return target creature card and all other cards with the same name as that card from your graveyard to your hand.

You may pay {1}{B} rather than pay this spell's mana cost. If the {1}{B} cost was paid, an opponent draws a card. Exile target creature or planeswalker.

Choose one — • Destroy all creatures. • Destroy all planeswalkers. Then return a creature or planeswalker card with mana value X or less from your graveyard to the battlefield, where X is the amount of {S} spent to cast this spell. ({S} is mana from a snow source.)

{1}, Sacrifice Cankerbloom: Choose one — • Destroy target artifact. • Destroy target enchantment. • Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{1}{G}, Sacrifice Caustic Caterpillar: Destroy target artifact or enchantment.

Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.)

Destroy target creature. You lose 2 life.

Destroy target artifact or creature. It can't be regenerated.

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

Draw three cards.

({T}: Add {B} or {G}.) Haunted Mire enters the battlefield tapped.