Enchant planeswalker Enchanted planeswalker has "[−8]: Put all creature cards from all graveyards onto the battlefield under your control." Whenever a creature deals damage to enchanted planeswalker, destroy that creature.

During turns other than yours, tapped creatures you control have hexproof.

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

When this creature enters, destroy target creature with power 4 or greater. It can't be regenerated. Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Ninjutsu {2}{B} This creature enters with a menace counter on it. Whenever this creature deals combat damage to a player, you may remove a menace counter from it. When you do, that player reveals their hand and you choose a nonland card from it. Exile that card.

Flying Echo {2}{B} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, destroy target nonartifact, nonblack creature.

When this creature dies, you gain 2 life. {G}, Sacrifice this creature: Exile target noncreature artifact or noncreature enchantment.

{1}, Sacrifice this creature: Destroy target artifact or enchantment.

Commander creatures you own have "Whenever an artifact or creature you control is put into a graveyard from the battlefield, each opponent loses 1 life."

Sacrifice another Phyrexian: Put a +1/+1 counter on this creature. When this creature dies, incubate X, where X is its power. (Create an Incubator token with X +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)

Whenever you sacrifice another permanent, put a +1/+1 counter on this creature.

At the beginning of your upkeep, draw a card if you control the creature with the greatest toughness or tied for the greatest toughness.

You may look at the top card of your library any time. You may play lands from the top of your library. Coven — As long as you control three or more creatures with different powers, you may cast creature spells from the top of your library.

Whenever Ayara or another black creature you control enters, each opponent loses 1 life and you gain 1 life. {T}, Sacrifice another black creature: Draw a card.

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent of their choice that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

When this creature enters, choose one — • Create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life." • You draw a card and you lose 1 life. • Exile target player's graveyard.

Whenever an opponent activates an ability of a creature or land that isn't a mana ability, you may draw a card.

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

Deathtouch, lifelink Barrowgoyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1. Whenever this creature deals combat damage to a player, you may mill that many cards. If you do, you may put a creature card from among them into your hand.

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

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

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add {C}."

You may play two additional lands on each of your turns.

Sacrifice this creature: Add {B}{B}.

Toxic 2 (Players dealt combat damage by this creature also get two poison counters. A player with ten or more poison counters loses the game.) When this creature enters, you and target opponent each create a Treasure token. Whenever an opponent sacrifices a noncreature token, that player gets two poison counters.

{B}, {T}, Discard a card: Add {B}{B}{B}.

When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Wraith Form — This creature can't be blocked. Transdimensional Scout — When this creature deals combat damage to a player, you may pay {3} and sacrifice it. If you do, choose a land you control. Then search your library for up to two basic land cards which have the same name as the chosen land, put them onto the battlefield tapped, then shuffle.

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

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.

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

When Acererak enters, if you haven't completed Tomb of Annihilation, return Acererak to its owner's hand and venture into the dungeon. Whenever Acererak attacks, for each opponent, you create a 2/2 black Zombie creature token unless that player sacrifices a creature of their choice.

Whenever this creature is dealt damage, you may create that many 1/1 green Insect creature tokens. Morph {2}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

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

You may play lands from your graveyard. {T}: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery.

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

When Honest Rutstein enters, return target creature card from your graveyard to your hand. Creature spells you cast cost {1} less to cast.