Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, put a +1/+1 counter on this creature. It gains deathtouch and indestructible until end of turn."

Haste

Whenever Amber Gristle O'Maul attacks, you may discard your hand. If you do, draw a card for each player being attacked.

Choose a Background (You can have a Background as a second commander.)

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

Until end of turn, target creature gets +1/+0 and gains indestructible. (Damage and effects that say "destroy" don't destroy it.)

{T}: Add {C}.

Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Barren Moor enters the battlefield tapped.

{T}: Add {B}.

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

Flying

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

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

Flying

{B}: Battlefly Swarm gains deathtouch until end of turn.

Flying

{7}{B}, {T}, Sacrifice Blight Keeper: Target opponent loses 4 life and you gain 4 life.

When Blood Fountain enters the battlefield, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")

{3}{B}, {T}, Sacrifice Blood Fountain: Return up to two target creature cards from your graveyard to your hand.

Bloodfell Caves enters the battlefield tapped.

When Bloodfell Caves enters the battlefield, you gain 1 life.

{T}: Add {B} or {R}.

Whenever Briarblade Adept attacks, target creature an opponent controls gets -1/-1 until end of turn.

Encore {3}{B} ({3}{B}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Add {B}{B}{B}.

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

Changeling (This card is every creature type.)

Changeling Outcast can't block and can't be blocked.

Charcoal Diamond enters the battlefield tapped.

{T}: Add {B}.

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

Add {B}{B}{B}.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Dauthi Horror can't be blocked by white creatures.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Dauthi Slayer attacks each combat if able.

Choose one --

• Target opponent exiles a creature they control.

• Target opponent exiles an enchantment they control.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield under its owner's control."

Destroy target nonblack creature.

Return target creature card from your graveyard to the battlefield.

Flashback--Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Unearth {B} ({B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

{1}{B}, {T}, Sacrifice Executioner's Capsule: Destroy target nonblack creature.

When Exquisite Huntmaster dies, create a 1/1 green Elf Warrior creature token.

Encore {4}{B} ({4}{B}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Flying

Whenever Eye Collector deals combat damage to a player, each player mills a card.

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

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

When First-Sphere Gargantua enters the battlefield, you draw a card and you lose 1 life.

Unearth {2}{B} ({2}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

{1}{R}: Creatures you control named Genasi Enforcers get +1/+0 until end of turn.

({T}: Add {B} or {R}.)

Geothermal Bog enters the battlefield tapped.

Kicker {3}{B} (You may pay an additional {3}{B} as you cast this spell.)

Flying, lifelink

If Ghastly Gloomhunter was kicked, it enters the battlefield with two +1/+1 counters on it.

Menace

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this 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.)

Equipped creature has vigilance, trample, and haste.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {C}.

{3}, {T}, Sacrifice Haunted Fengraf: Return a creature card at random from your graveyard to your hand.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

When Impulsive Pilferer dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Encore {3}{R} ({3}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Lightning Bolt deals 3 damage to any target.

Equipped creature gets +1/+0 and has trample.

{2}{R}, Sacrifice Lightning Spear: It deals 3 damage to any target.

Equip {1}

Mortuary Mire enters the battlefield tapped.

When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library.

{T}: Add {B}.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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

Nezumi Cutthroat can't block.

Flying

Nightshade Stinger can't block.

Target creature you control gains indestructible until end of turn. Draw a card if that creature has a +1/+1 counter on it. (Damage and effects that say "destroy" don't destroy the creature.)

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

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

I, II -- Each opponent loses 1 life and you gain 1 life.

III -- Exile this Saga, then return it to the battlefield transformed under your control.

Menace

Vehicles you control have menace. (They can't be blocked except by two or more creatures.)

Trample

Whenever Oliphaunt attacks, another target creature you control gets +2/+0 and gains trample until end of turn.

Mountaincycling {1} ({1}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Target creature gains your choice of lifelink or indestructible until end of turn.

Amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Flying

{T}: Add one mana of any color.

Enchant creature

Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever enchanted creature attacks, its controller loses 2 life and you gain 2 life.

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

Choose one --

• Put a +1/+1 counter on target creature.

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

Rakdos Carnarium enters the battlefield tapped.

When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.

{T}: Add {B}{R}.

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

Target creature gets +1/+0 and gains lifelink and indestructible until end of turn. (Damage dealt by that creature also causes its controller to gain that much life, and it can't be destroyed by damage or effects that say "destroy.")

When Scourge Devil enters the battlefield, creatures you control get +1/+0 until end of turn.

Unearth {2}{R} ({2}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Sacrifice Seal of Fire: It deals 2 damage to any target.

Whenever another black creature enters the battlefield under your control, target creature gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Enchant creature

Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever enchanted creature attacks, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Skred deals damage to target creature equal to the number of snow permanents you control.

Star Compass enters the battlefield tapped.

{T}: Add one mana of any color that a basic land you control could produce.

Flying

Stirge can't block.

Blood Drain -- {1}{B}, Pay 1 life, Sacrifice Stirge: Draw a card.

({T}: Add {B} or {R}.)

Sulfurous Mire enters the battlefield tapped.

({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}.)

Destroy target creature. It can't be regenerated.

Haste

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Tormented Soul can't block and can't be blocked.

{B}, Discard a creature card: Return target creature card from your graveyard to your hand.

Troll of Khazad-dûm can't be blocked except by three or more creatures.

Swampcycling {1} ({1}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Underworld Rage-Hound attacks each combat if able.

Escape--{3}{R}, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Underworld Rage-Hound escapes with a +1/+1 counter on it.

Target creature gets +2/+0 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Flying

Vampire Interloper can't block.

({B/P} can be paid with either {B} or 2 life.)

Flying

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

{1}{B}, {T}, Sacrifice a creature: You gain 1 life and 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.

Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.)

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