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

Sacrifice a creature: Add {C}{C}.

As an additional cost to cast this spell, sacrifice a creature. Add {B}{B}{B}{B}.

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

{1}, {T}, Sacrifice this artifact: Search your library for an artifact card with a mana ability or a basic land card, reveal it, put it into your hand, then shuffle.

{1}, Sacrifice a creature: Search your library for a land card with a basic land type, put it onto the battlefield tapped, then shuffle.

Sacrifice a creature: Add one mana of any color.

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

{T}: Add {C}. {T}: Add {B} or {G}. This artifact deals 1 damage to you.

When this enchantment enters, put a +1/+1 counter on each creature you control. Whenever a nontoken creature you control dies, create a 1/1 white Spirit creature token with flying.

Whenever a creature dies, put a charge counter on this enchantment. At the beginning of your first main phase, add {B} for each charge counter on this enchantment.

Attacking Pests you control get +1/+0 and have menace. Whenever a nontoken creature you control dies, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life."

{T}, Sacrifice a creature: Put two +1/+1 counters on target creature. {T}, Remove a counter from a creature you control: Create a Treasure token. {T}, Sacrifice an artifact: Create a 2/1 white and black Inkling creature token with flying. {3}{B}: Untap Fain.

Alliance — Whenever another creature you control enters, choose one that hasn't been chosen this turn — • Put a +1/+1 counter on this creature. • Create a tapped Treasure token. • You gain 2 life.

Whenever a nontoken creature you control dies, create a 1/1 green Saproling creature token.

Whenever a nontoken creature you control dies, put a slime counter on this enchantment, then create a green Ooze creature token with "This token's power and toughness are each equal to the number of slime counters on Gutter Grime."

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy. Equip {3}

Creature tokens you control have "{T}: Add one mana of any color." Whenever one or more creature cards leave your graveyard, create a 0/1 green Plant creature token, then put a +1/+1 counter on each Plant you control.

Whenever this creature or another nontoken creature you control dies, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add {C}."

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

Flying Whenever another non-Spirit creature you control dies, create a 1/1 white Spirit creature token with flying.

{B}, Remove X +1/+1 counters from among creatures you control: Target creature gets -X/-X until end of turn.

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

{B}, Sacrifice a creature: Destroy target nonblack creature.

{1}, Sacrifice this creature: 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.)

As an additional cost to cast this spell, sacrifice X creatures. Destroy X target creatures.

Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

As an additional cost to cast this spell, sacrifice a nonland permanent. Exile target nonland permanent. Flashback {2}{W}{B} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

Exile target creature. Its controller gains life equal to its power.

{1}{B}, Sacrifice an artifact or creature: Draw a card.

Indestructible As long as your devotion to black is less than five, Erebos isn't a creature. Whenever another creature you control dies, you may pay 2 life. If you do, draw a card. {1}{B}, Sacrifice another creature: Target creature gets -2/-1 until end of turn.

Whenever a creature dies, that creature's controller may draw a card.

Partner with Regna, the Redeemer (When this creature enters, target player may put Regna into their hand from their library, then shuffle.) {B}, Sacrifice X creatures: Target player draws X cards and gains X life. Put X +1/+1 counters on Krav.

{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature of their choice. You add {B}{B} and draw a card.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

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

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Flying At the beginning of each upkeep, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life." Pay 10 life: Untap all lands you control. Activate only once each turn.

Lifelink Whenever another creature dies, put a +1/+1 counter on Elenda. When Elenda dies, create X 1/1 white Vampire creature tokens with lifelink, where X is Elenda's power.

If one or more tokens would be created under your control, twice that many of those tokens are created instead. {1}{W/P}{W/P}, Sacrifice two other artifacts and/or creatures: Put an indestructible counter on Mondrak. ({W/P} can be paid with either {W} or 2 life.)

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

As an additional cost to cast this spell, sacrifice a creature. Search your library for a card, put that card into your hand, then shuffle.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution.

{B}: This creature gets +1/+1 until end of turn. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

This creature enters tapped. When this creature enters, target opponent loses 2 life. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

At the beginning of your upkeep, remove a -1/-1 counter from each creature you control. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

When this creature enters, you gain 2 life. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

As an additional cost to cast this spell, discard a card. {4}: This creature deals 1 damage to target creature. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) Whenever a Human deals damage to you, destroy it. Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Flying When this creature enters, put target creature card from an opponent's graveyard onto the battlefield under your control. It gains haste. At the beginning of your next end step, exile it. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Wither (This deals damage to creatures in the form of -1/-1 counters.) Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

{W/B}{W/B}{W/B}: This creature gets +3/+3 until end of turn. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

This creature can't block. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Haste Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

{T}: Add {C}. {T}: Add {W} or {B}. This land deals 1 damage to you.

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

This land enters tapped unless you control two or fewer other lands. {T}: Add {W} or {B}.

{T}, Sacrifice this land: 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}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

({T}: Add {G}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {B}{G}.

This land enters tapped unless you control a Plains or a Swamp. {T}: Add {W} or {B}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {G}.

{T}: Add {C}. {T}: Add {B} or {G}. This land deals 1 damage to you.

As this land enters, you may reveal a Swamp or Forest card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {G}.

When this land enters, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{B}.

{T}: Add {C}. {T}, Sacrifice a creature: Add {B}{B}.

({T}: Add {W}.)

When this land enters, sacrifice it. When you do, search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

This land enters tapped. {T}: Add {W}, {B}, or {G}.

As this land enters, you may reveal a Plains or Swamp card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {B}.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {W} or {B}. Activate only if you control a Swamp.

{T}: Add {C}. {T}: Add {B} or {G}. Activate only if you control a Swamp.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {B} or {G}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {W} or {B}.

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

This land enters tapped. As it enters, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

Each land is a Swamp in addition to its other land types.

This land enters tapped with two charge counters on it. {T}: Add {B}. {T}, Remove a charge counter from this land: Add one mana of any color.