Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Each opponent sacrifices a creature of their choice. If you have the city's blessing, instead each opponent sacrifices half the creatures they control of their choice, rounded up.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Equip {3}

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

Black spells you cast cost {1} less to cast.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1 for each Swamp you control. Equip {B/P}{B/P} ({B/P} can be paid with either {B} or 2 life.)

You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

{T}, Sacrifice this artifact: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

Nyx Lotus enters tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

{1}{B}, {T}: Target player discards a card. Activate only during your turn.

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

{1}: Untap this artifact. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

{2}, {T}: Add {B} for each Swamp you control.

({T}: Add {B}.)

Flying At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

Flying Whenever this creature enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.

Flying When this creature enters, if you cast it, each player sacrifices all other creatures they control. Then each player returns all creature cards from their graveyard that weren't put there this way to the battlefield.

Flying Whenever this creature or another creature you control dies, each opponent sacrifices a creature of their choice.

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.) Whenever you tap a Swamp for mana, add an additional {B}.

Flying, trample Whenever this creature deals combat damage to a player, that player sacrifices a creature of their choice.

Flying Lieutenant — As long as you control your commander, this creature gets +2/+2 and has "Whenever this creature deals combat damage to a player, that player sacrifices a creature of their choice."

Flying, lifelink, hexproof from planeswalkers Boast — {1}{B}, Sacrifice a creature: Each opponent sacrifices a creature or planeswalker. (Activate only if this creature attacked this turn and only once each turn.)

{X}{B}, {T}, Discard two cards: Target player discards X cards at random.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Flying At the beginning of your end step, each opponent discards a card. {1}{B}, Sacrifice an artifact: Target creature gets -2/-2 until end of turn.

Flying Cumulative upkeep—Gain control of a land you don't control. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) This creature gets +1/+1 for each land you control but don't own. When this creature leaves the battlefield, each player gains control of each land they own that you control.

Flying At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature of their choice or pays 3 life.

{2}, {T}: Add {B} for each Swamp you control.

Necrogoyf's power is equal to the number of creature cards in all graveyards. At the beginning of each player's upkeep, that player discards a card. Madness {1}{B}{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.)

Flying Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Whenever Nefarox attacks alone, defending player sacrifices a creature of their choice.

Flying, trample Whenever an opponent searches their library, that player sacrifices a creature of their choice and loses 10 life. Whenever another creature dies, put a +1/+1 counter on Ob Nixilis.

Whenever you sacrifice another creature, exile it. If that creature was a token, put a +1/+1 counter on this creature. When this creature leaves the battlefield, return each card exiled with it to the battlefield under your control.

Flying, haste Whenever Rankle deals combat damage to a player, choose any number — • Each player discards a card. • Each player loses 1 life and draws a card. • Each player sacrifices a creature of their choice.

Flying Whenever this creature deals combat damage to a player, each opponent discards a card. Each player who discarded a card with the highest mana value among cards discarded this way loses life equal to that mana value.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever this creature deals combat damage to a player, each player discards a card.

Flying, lifelink Whenever The Haunt of Hightower attacks, defending player discards a card. Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on The Haunt of Hightower.

+1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle. −3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control. −6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'"

+1: Each player discards a card. −2: Target player sacrifices a creature. −6: Separate all permanents target player controls into two piles. That player sacrifices all permanents in the pile of their choice.

Enchant creature you control Whenever enchanted creature attacks and isn't blocked, you may have it assign no combat damage this turn. If you do, defending player discards a card at random.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, each opponent loses 3 life unless they discard a card. If you're the monarch, instead each opponent loses 6 life unless they discard two cards.

Whenever a creature you control dies, each other player sacrifices a creature of their choice.

Whenever an opponent discards a card, that player loses 2 life.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Choose a color. Target player reveals their hand and you choose a card of that color from it. That player discards that card.

Target player discards two cards. That player may copy this spell and may choose a new target for that copy.

Each player discards all the cards in their hand, then draws that many cards minus one.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Target player discards a card at random. Then that player discards another card at random unless they pay {1}.

Target opponent discards two cards. Raid — If you attacked this turn, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Target player discards two cards at random.

Kicker {4} (You may pay an additional {4} as you cast this spell.) Target player discards a card. If this spell was kicked, that player discards three cards instead.

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.

Target opponent discards a card at random.

Target player discards two cards.

Target opponent reveals their hand. You choose a creature card from it. That player discards that card.

Each player loses 1 life, discards a card, sacrifices a creature of their choice, then sacrifices a land of their choice.

Target player discards a card at random.

Each other player sacrifices a creature. You create a 2/2 black Zombie creature token for each creature sacrificed this way.

Each other player discards a card. You draw a card for each card discarded this way.

Target player discards two cards. Cycling {2} ({2}, Discard this card: Draw a card.)