Each player loses half their life, then discards half the cards in their hand, then sacrifices half the creatures they control of their choice. Round up each time.

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

Add {B}{B}{B}.

Flying When this creature enters, you may put a commander you own from the command zone onto the battlefield. It gains haste. Return it to the command zone at the beginning of the next end step.

{T}: Add {B} or {R}. {B}{R}, {T}, Sacrifice this artifact: Draw a card.

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

Kicker {3} Indestructible When this artifact enters, if it was kicked, create two tapped tokens that are copies of this artifact. {T}: Add one mana of any color.

When you cast this spell, create a 10/10 colorless Eldrazi creature token.

Haste As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

Flying At the beginning of your upkeep, target player draws a card and loses 1 life.

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

At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand.

When you cast this spell, if you have fewer than seven cards in hand, draw cards equal to the difference. Menace Discard a card with mana value X: Counter target spell with mana value X.

Equipped creature has flying and lifelink. Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards. Equip {3}

You draw two cards and you lose 2 life.

Casualty X. The copy isn't legendary and has starting loyalty X. (As you cast this spell, you may sacrifice a creature with power X. When you do, copy this spell. The copy becomes a token.) +1: Each opponent loses 2 life unless they discard a card. If you control a Demon or Devil, you gain 2 life. −2: Create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target." −7: Target player draws seven cards and loses 7 life.

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Flying When this creature enters, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put this artifact on top of its owner's library.

Target player draws two cards and loses 2 life.

Menace At the beginning of your upkeep, each player draws a card and loses 1 life.

When you cast this spell, you may return target creature card from your graveyard to the battlefield. Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)

Flying, trample When Orcus enters, choose one — • Each other creature gets -X/-X until end of turn. You lose X life. • Return up to X target creature cards with total mana value X or less from your graveyard to the battlefield. They gain haste until end of turn.

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

Flying When this creature enters, you may search your library for exactly two cards not named Burning-Rune Demon that have different names. If you do, reveal those cards. An opponent chooses one of them. Put the chosen card into your hand and the other into your graveyard, then shuffle.

Suspend 2—{1}{B} (Rather than cast this card from your hand, pay {1}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) Search your library for a card, put that card into your hand, then shuffle.

Menace, deathtouch When this creature enters, each player loses a third of their life, rounded up.

{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.

Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.

Maga enters with X +1/+1 counters on it. When Maga enters, target player loses life equal to the number of +1/+1 counters on it.

Defender, indestructible {10}: Monstrosity 10. (If this creature isn't monstrous, put ten +1/+1 counters on it and it becomes monstrous.) As long as this creature is monstrous, it has trample and can attack as though it didn't have defender.

When Kardur enters, until your next turn, creatures your opponents control attack each combat if able and attack a player other than you if able. Whenever an attacking creature dies, each opponent loses 1 life and you gain 1 life.

Enchant creature or planeswalker you control When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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

All creatures able to block this creature do so.

Destroy target creature. You lose 2 life.

Choose a creature at random, then destroy the rest.

When this creature enters, destroy target nonland permanent an opponent controls.

Annihilator 3 (Whenever this creature attacks, defending player sacrifices three permanents of their choice.) This creature can't be blocked except by three or more creatures.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

When this creature enters, each opponent sacrifices a creature with the greatest power among creatures they control. You gain life equal to the greatest power among creatures sacrificed this way. Madness—{2}{B}, Pay 8 life. (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Destroy target creature. It can't be regenerated.

When you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.) When Ulamog is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

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

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

({T}: Add {B} or {R}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

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

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

{T}: Add {C}. {2}, {T}, Sacrifice this land: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

This land enters tapped. {T}: Add {C}. Whenever this land or another land you control enters, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.

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

{T}: Add {C}. {R}, {T}: Target creature gains haste until end of turn. {3}{R}{R}, {T}: If you both own and control this land and a creature named Hanweir Garrison, exile them, then meld them into Hanweir, the Writhing Township.

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

({T}: Add {B}.) This land enters tapped. {B}, {T}: Each opponent loses 1 life. Activate only if you control two or more black permanents.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

({T}: Add {R}.)

This land enters tapped. When this land enters, target player loses 1 life. {T}: Add {B}.

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

You have no maximum hand size. {T}: Add {C}.

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

{T}: Add {C}. Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice this land. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

({T}: Add {B} or {R}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B} or {R}.) This land enters tapped.

({T}: Add {B}.)

({T}: Add {B}.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — This Saga gains "{T}: Add {C}." II — This Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This token gets +1/+1 for each artifact you control.'" III — Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

{T}: Add {C}. {3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

({T}: Add {B}.) This land enters tapped unless you control three or more other Swamps. When this land enters untapped, you may put target creature card from your graveyard on top of your library.

Whenever another creature you control enters, that creature gets +2/+0 and gains haste until end of turn. (It can attack and {T} this turn.)