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

Charcoal Diamond enters the battlefield tapped. {T}: Add {B}.

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

{1}, Sacrifice Dross Skullbomb: Draw a card. {2}{B}, Sacrifice Dross Skullbomb: Return target creature card from your graveyard to your hand. Draw a card. Activate only as a sorcery.

{T}: Add one mana of any color that a land an opponent controls could produce.

{1}, {T}: Add {B}{G}.

{1}, Sacrifice Maze Skullbomb: Draw a card. {2}{G}, Sacrifice Maze Skullbomb: Target creature you control gets +3/+3 and gains trample until end of turn. Draw a card. Activate only as a sorcery.

Moss Diamond enters the battlefield tapped. {T}: Add {G}.

{T}: Add one mana of any color. Corrupted — Whenever Phyrexian Atlas becomes tapped, each opponent who has three or more poison counters loses 1 life.

When Thieves' Tools enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Equipped creature can't be blocked as long as its power is 3 or less. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

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

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {1}{G}: Regenerate Blight Mamba.

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

Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)

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

Reach {1}{G}, Sacrifice Copper Longlegs: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

When Gulping Scraptrap enters the battlefield or dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever Ichorclaw Myr becomes blocked, it gets +2/+2 until end of turn.

Deathtouch Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Whenever Marsh Viper deals damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.)

Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Toxic 2 {2}{G}: Each other creature you control with toxic gains toxic 1 until end of turn. Activate only once each turn. (A player dealt combat damage by a creature with toxic also gets poison counters equal to that creature's total toxic value.)

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

Whenever Sabertooth Cobra deals damage to a player, that player gets a poison counter. The player gets another poison counter at the beginning of their next upkeep unless they pay {2} before that step. (A player with ten or more poison counters loses the game.)

Menace Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)

All creatures able to block Shinen of Life's Roar do so. Channel — {2}{G}{G}, Discard Shinen of Life's Roar: All creatures able to block target creature this turn do so.

Reach, trample Skyscythe Engulfer can't be blocked by creatures with flying.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When Stinging Hivemaster dies, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block."

Flying Whenever Swamp Mosquito attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)

All creatures able to block Taunting Elf do so.

When Testament Bearer dies, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Enchant creature Enchanted creature gets +1/+0 and has fear. (It can't be blocked except by artifact creatures and/or black creatures.) When a creature with mana value 6 or greater enters the battlefield, you may return Dragon Shadow from your graveyard to the battlefield attached to that creature.

Enchant creature Enchanted creature is a Treefolk with base power and toughness 0/4 and loses all abilities.

Exile target creature if it has mana value 3 or less. Corrupted — Exile that creature instead if its controller has three or more poison counters.

Destroy target nonblack creature.

Exile target creature or planeswalker.

Prevent all combat damage that would be dealt this turn.

Destroy target nonartifact creature.

Prevent all combat damage that would be dealt this turn. Flashback {2}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target creature.

Target creature gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

This spell costs {1} less to cast for each creature card in your graveyard. Exile target creature or planeswalker.

Prevent all combat damage that would be dealt this turn. You gain 1 life for each attacking creature.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) If this spell was bargained, look at the top four cards of your library, then put up to two of them back on top of your library in any order and the rest into your graveyard. You draw two cards and you lose 2 life.

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.

Target creature gets -1/-1 until end of turn. Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

Each opponent sacrifices a creature or planeswalker and gets a poison counter.

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

({T}: Add {G}.)

Foul Orchard enters the battlefield tapped. {T}: Add {B} or {G}.

Golgari Guildgate enters the battlefield tapped. {T}: Add {B} or {G}.

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

Jungle Hollow enters the battlefield tapped. When Jungle Hollow enters the battlefield, you gain 1 life. {T}: Add {B} or {G}.

{T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {B}.)

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

The Dross Pits enters the battlefield tapped. {T}: Add {B}. {1}{B}, {T}, Sacrifice The Dross Pits: Draw a card.

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

Destroy target artifact, enchantment, or creature with flying. If that permanent's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Put a +1/+1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

All creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.) Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.) When you cycle Dirge of Dread, you may have target creature gain fear until end of turn.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Return target creature card from your graveyard to your hand.

You draw two cards and you lose 2 life. Each opponent gets a poison counter.

You draw two cards and you lose 2 life.

Scry 2, then draw two cards. You lose 2 life.

Target creature you control gets +1/+2 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.)

Return X target creature cards from your graveyard to your hand. You lose X life.