First strike {T}: Add an amount of {R} equal to the greatest power among creatures you control that entered this turn. Partner (You can have two commanders if both have partner.)

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

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

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

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

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

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

({T}: Add {R} or {W}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

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

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

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

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

{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. {T}: Add {R}, {W}, or {B}.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

({T}: Add {B} or {R}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

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

({T}: Add {R}, {W}, or {B}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

({T}: Add {W} or {B}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

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

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

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

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

({T}: Add {B}.)

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

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

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

{T}: Add {R}. As this artifact enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

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

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with this artifact to its owner's graveyard. {3}, {T}: Create a token that's a copy of a card exiled with this artifact. It gains haste. Exile it at the beginning of the next end step.

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

{T}: Add one mana of any color. {1}, {T}: Untap target legendary creature you control.

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

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

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

{T}: Add {C}. {T}: Add {R} or {W}. This artifact deals 1 damage to you.

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

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

At the beginning of combat on your turn, put an oil counter on this artifact, then create an X/1 red Phyrexian Horror creature token with trample and haste, where X is the number of oil counters on this artifact. Sacrifice that token at the beginning of the next end step.

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

Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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.

Each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest. If {B}{R} was spent to cast this spell, you choose the permanents for each player instead.

Choose one — • Create an X/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step. • Purphoros's Intervention deals twice X damage to target creature or planeswalker.

Destroy all nonland permanents your opponents control.

Haste Whenever this creature attacks, creatures you control gain first strike and deathtouch until end of turn.

Haste (This creature can attack and {T} as soon as it comes under your control.) At the beginning of the end step, sacrifice this creature.

Indestructible As long as your devotion to white and black is less than seven, Athreos isn't a creature. Whenever another creature you own dies, return it to your hand unless target opponent pays 3 life.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Haste (This creature can attack and {T} as soon as it comes under your control.) At the beginning of the end step, sacrifice this creature.

Trample, haste At the beginning of the end step, sacrifice this creature. Morph {R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Discard a card: You may cast a creature spell from your graveyard this turn. Activate only once each turn. Whenever a nontoken creature you control enters, if you didn't cast it from your hand, it gains haste until your next turn.

When this creature enters, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

Reach Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Doom Weaver is paired with another creature, each of those creatures has "When this creature dies, draw cards equal to its power."

Whenever another creature you control enters, it gets +2/+0 and gains haste until end of turn. When Enduring Courage dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

{2}{R}, {T}: Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever another nontoken creature you control dies, draw a card.

Flying, haste At the beginning of the end step, sacrifice this creature. Unearth {4}{R} ({4}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Trample, haste When this creature attacks, up to one target creature defending player controls blocks it this combat if able. At the beginning of the end step, sacrifice this creature.

Flying, lifelink Whenever another nontoken creature you control dies, return that card to its owner's hand at the beginning of the next end step. If a creature an opponent controls would die, exile it instead.

Trample, haste This creature enters with X +1/+0 counters on it. At the beginning of the end step, sacrifice this creature.

Trample, haste Whenever this creature deals combat damage to a player, that player discards two cards. At the beginning of the end step, sacrifice this creature.

Whenever a nontoken creature you control dies, this creature deals 1 damage to you and you draw a card.

Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.

Flying If a creature you control that entered this turn would deal damage, it deals twice that much damage instead.

Trample Champion an Elemental (When this enters, sacrifice it unless you exile another Elemental you control. When this leaves the battlefield, that card returns to the battlefield.)

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.)

When this creature enters, you may sacrifice another creature you control. If you do, create a number of Treasure tokens equal to that creature's power. {2}{B}, Sacrifice X artifacts: Return target creature card with power X or less from your graveyard to the battlefield. X can't be 0.

{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.)

Trample, lifelink, haste At the beginning of the end step, sacrifice this creature.

Haste Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.

Flying Spells your opponents cast that target this creature cost an additional 3 life to cast. Whenever another creature you control enters, this creature deals damage equal to that creature's power to any target.

Haste This creature has trample as long as it has 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.)

Creatures can't block.

Creatures you control have myriad. (Whenever a creature with myriad attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Creatures you control get +1/+0 and have haste. At the beginning of your end step, exile any number of nontoken artifacts and/or creatures you control. Return those cards to the battlefield under their owner's control at the beginning of your next upkeep.

Whenever a creature enters, that creature's controller may have it deal damage equal to its power to any target of their choice.

Creatures named Lightning Rager can't attack you or planeswalkers you control. At the beginning of each player's upkeep, that player creates a 5/1 red Elemental creature token named Lightning Rager. It has trample, haste, and "At the beginning of the end step, sacrifice this token."

{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

This spell costs {3} less to cast if you control a creature with power 4 or greater. Change the target of target spell or ability with a single target.

Choose one — • Boros Charm deals 4 damage to target player or planeswalker. • Permanents you control gain indestructible until end of turn. • Target creature gains double strike until end of turn.

As an additional cost to cast this spell, sacrifice a creature. Fling deals damage equal to the sacrificed creature's power to any target.