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

Flying {T}: Add one mana of any color.

Aberrant Tinkering — When this creature enters and at the beginning of your upkeep, each Horror you control gains all activated abilities of target artifact an opponent controls until end of turn. You may spend blue mana as though it were mana of any color to activate those abilities.

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

{T}: Add {B} or {G}. {T}: Mill two cards.

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

Boneyard Mycodrax's power and toughness are each equal to the number of other creature cards in your graveyard. Scavenge {4}{B} ({4}{B}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Trample When this creature enters, you may remove any number of +1/+1 counters from among creatures you control. If you do, put twice that many +1/+1 counters on this creature.

{1}{G}{U}: Put a +1/+1 counter on target creature you control. Whenever one or more +1/+1 counters are put on a creature you control, put that many growth counters on this enchantment. At the beginning of your upkeep, if this enchantment has twenty or more growth counters on it, you win the game.

Trample Cycling {1}{G} ({1}{G}, Discard this card: Draw a card.) When you cycle this card, put a trample counter on target creature you control.

Each opponent chooses a creature card in their graveyard. Put those cards onto the battlefield under your control.

When this creature enters, you may return target card from your graveyard to your hand.

{1}, {T}, Discard a card: Put a study counter on Grimoire of the Dead. {T}, Remove three study counters from Grimoire of the Dead and sacrifice it: Put all creature cards from all graveyards onto the battlefield under your control. They're black Zombies in addition to their other colors and types.

Return up to three target land cards from your graveyard to your hand. Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

({G/P} can be paid with either {G} or 2 life.) Put target card from a graveyard on top of its owner's library.

{2}{U}: Exile target creature card from your graveyard and put a +1/+1 counter on this creature. This creature has all activated abilities of all creature cards exiled with it.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

{G}, {T}, Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.

({T}: Add {G} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

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

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

This land enters tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

({T}: Add {G}.)

This land enters tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

({T}: Add {U}.)

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

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {B}.

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}.

{T}, Pay 1 life: Add {B} or {G}. {1}, {T}, Sacrifice this land: Draw a card.

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

({T}: Add {B} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {U}.

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

({T}: Add {B}.)

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

This land enters tapped unless you have two or more opponents. {T}: Add {B} or {G}.

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

{T}, Pay 1 life: Add {G} or {U}. {1}, {T}, Sacrifice this land: Draw a card.

({T}: Add {U} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}: Add {C}. {2}, {T}: Target commander gains lifelink until end of turn.

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

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

Return all attacking creatures to their owner's 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.

Tap target creature you don't control. Overload {3}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Destroy target artifact or enchantment. Its controller gains 4 life.

Flying When this Vehicle enters, exile target player's graveyard. Whenever this Vehicle deals combat damage to a player, you may put a creature card exiled with this Vehicle onto the battlefield under your control. Crew 3

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Whenever this creature enters or attacks, put a slime counter on up to one other target creature. Non-Horror creatures with slime counters on them lose all abilities and have base power and toughness 2/2.

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards. Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

This creature enters with a +1/+1 counter on it for each creature card in your graveyard. {1}, Remove a +1/+1 counter from this creature: Regenerate this creature. Dredge 6 (If you would draw a card, you may mill six cards instead. If you do, return this card from your graveyard to your hand.)

When this creature dies, put target creature card from your graveyard on top of your library. Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever this creature attacks and isn't blocked, defending player loses 1 life for each card in their graveyard.

{G}, {T}: Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed this way into your graveyard.

Each opponent reveals cards from the top of their library until they reveal X land cards, then puts all cards revealed this way into their graveyard. X can't be 0.

As this creature enters, choose a player. Sewer Nemesis's power and toughness are each equal to the number of cards in the chosen player's graveyard. Whenever the chosen player casts a spell, that player mills a card.

Trample Splinterfright's power and toughness are each equal to the number of creature cards in your graveyard. At the beginning of your upkeep, mill two cards. (Put the top two cards of your library into your graveyard.)

When this creature enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)

If you would draw a card, instead look at the top three cards of your library, then put one into your hand and the rest into your graveyard. Pay 4 life: This creature gains indestructible until end of turn. Tap it.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever this creature deals combat damage to a player, you may draw that many cards.

{2}, {T}: Draw a card, then discard a card. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

{1}{B}, {T}, Sacrifice another creature: Draw X cards, where X is that creature's power. Choose a Background (You can have a Background as a second commander.)

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) All lands are Islands in addition to their other types. Creatures without flying or islandwalk can't attack.

Flying At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it. Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value.

Menace Whenever this creature attacks a player, exile all cards from that player's hand, then they draw that many cards. You may play lands and cast spells from among the exiled cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.