Haste

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

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

Haste

Whenever Ardoz, Cobbler of War or another creature enters the battlefield under your control, that creature gets +2/+0 until end of turn.

{3}{R}: Create a 1/1 red Goblin creature token with haste. Activate only as a sorcery.

Destroy target artifact, creature, or planeswalker.

At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Flying

If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.)

You may look at the top card of your library any time.

You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.

{T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

If Combat Celebrant hasn't been exerted this turn, you may exert it as it attacks. When you do, untap all other creatures you control and after this phase, there is an additional combat phase. (An exerted creature won't untap during your next untap step.)

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

When Court of Embereth enters the battlefield, you become the monarch.

At the beginning of your upkeep, create a 3/1 red Knight creature token. Then if you're the monarch, Court of Embereth deals X damage to each opponent, where X is the number of creatures you control.

Menace

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

Add {B}{B}{B}.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Menace

Negative Energy Cone -- Whenever an attacking creature you control or a blocking creature an opponent controls dies, create a 2/2 black Zombie creature token.

{5}{B}: Return Death Tyrant from your graveyard to the battlefield tapped.

Whenever Delina, Wild Mage attacks, choose target creature you control, then roll a d20.

1--14 | Create a tapped and attacking token that's a copy of that creature, except it's not legendary and it has "At end of combat, exile this creature."

15--20 | Create one of those tokens. You may roll again.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.

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

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

Draw two cards, then discard two cards.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

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

As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped.

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

Whenever another creature you control dies, draw a card if it was attacking. Otherwise, Garna, Bloodfist of Keld deals 1 damage to each opponent.

Whenever a creature deals combat damage to one of your opponents, its controller may pay 1 life. If they do, they draw a card.

{4}{B}{B}{B}, Discard X cards: Exile the top X cards of target opponent's library. You may play lands and cast spells from among cards exiled this way without paying their mana costs.

Other Goblin creatures you control attack each combat if able.

At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste.

Whenever Goblin Rabblemaster attacks, it gets +1/+0 until end of turn for each other attacking Goblin.

Spree (Choose one or more additional costs.)

+ {2}{R} -- Untap all creatures you control. If it's your combat phase, there is an additional combat phase after this phase.

+ {2} -- Creatures you control get +1/+0 and gain first strike until end of turn.

+ {R} -- Choose target opponent. Whenever a creature you control deals combat damage to that player this turn, create a tapped Treasure token.

Morbid -- This spell costs {3} less to cast if a creature died this turn.

Enchant creature

When Grim Reaper's Sprint enters the battlefield, untap each creature you control. If it's your main phase, there is an additional combat phase after this phase.

Enchanted creature gets +2/+2 and has haste.

{T}: Add {C}.

{R}, {T}: Target creature gains haste until end of turn.

{3}{R}{R}, {T}: If you both own and control Hanweir Battlements and a creature named Hanweir Garrison, exile them, then meld them into Hanweir, the Writhing Township.

Whenever Hanweir Garrison attacks, create two 1/1 red Human creature tokens that are tapped and attacking.

(Melds with Hanweir Battlements.)

Haste

Whenever a creature you control attacks, Hellrider deals 1 damage to the player or planeswalker it's attacking.

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

Destroy target creature. You lose 2 life.

When Kardur, Doomscourge enters the battlefield, 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.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase.

Choose a Background (You can have a Background as a second commander.)

{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.

Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

At the beginning of combat on your turn, create a 2/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step.

{T}: Search your library for a card, put it into your hand, then shuffle. Activate only if five or more creatures died this turn.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

At the beginning of combat on your turn, create a 1/1 red Goblin creature token. That token gains haste until end of turn and attacks this combat if able.

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

Equip {0}

Haste

Lieutenant -- At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

Whenever you attack, each opponent loses X life and you gain X life, where X is the number of attacking creatures. If Mishra, Claimed by Gix and a creature named Phyrexian Dragon Engine are attacking, and you both own and control them, exile them, then meld them into Mishra, Lost to Phyrexia. It enters the battlefield tapped and attacking.

Permanents you control have "Ward--Sacrifice a permanent."

Each artifact card in your graveyard has unearth {1}{B}{R}. ({1}{B}{R}: Return the 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.)

Each creature you control gets +1/+0 for each time it has attacked this turn.

Landfall -- Whenever a land enters the battlefield under your control, if it's your main phase, there's an additional combat phase after this phase. At the beginning of that combat, untap all creatures you control.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)

At the beginning of your postcombat main phase, add {R} for each 1 life your opponents have lost this turn.

You draw two cards and you lose 2 life.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Double strike

When Phyrexian Dragon Engine enters the battlefield from your graveyard, you may discard your hand. If you do, draw three cards.

Unearth {3}{R}{R}

(Melds with Mishra, Claimed by Gix.)

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

Menace

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token.

Sacrifice a Treasure: Exile the top card of your library. You may play that card this turn.

Rakdos Carnarium enters the battlefield tapped.

When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.

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

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

Creatures you control have haste.

Legendary creatures you control get +1/+0.

First strike

Raid -- At end of combat on your turn, if you attacked this turn, create a Junk token for each opponent you attacked. (It's an artifact with "{T}, Sacrifice this artifact: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

Whenever you sacrifice a Junk, add {R}.

When Siege-Gang Commander enters the battlefield, create three 1/1 red Goblin creature tokens.

{1}{R}, Sacrifice a Goblin: Siege-Gang Commander deals 2 damage to any target.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

({T}: Add {B} or {R}.)

Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Create X 1/1 black Rat creature tokens with "This creature can't block." Creatures you control gain haste until end of turn.

Haste

Whenever Squee, Dubious Monarch attacks, create a 1/1 red Goblin creature token that's tapped and attacking.

You may cast Squee, Dubious Monarch from your graveyard by paying {3}{R} and exiling four other cards from your graveyard rather than paying its mana cost.

{T}: Add {C}.

{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

{T}: Add {C}.

{T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.

Destroy target creature. It can't be regenerated.

Myriad

The "legend rule" doesn't apply to creature tokens you control.

Triggered abilities you control can't cause you to sacrifice or exile creature tokens you control.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

Whenever Tilonalli's Summoner attacks, you may pay {X}{R}. If you do, create X 1/1 red Elemental creature tokens that are tapped and attacking. At the beginning of the next end step, exile those tokens unless you have the city's blessing.

Creatures you control have haste.

Creatures your opponents control enter the battlefield tapped.

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

Destroy target artifact you don't control.

Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

+1: Creatures you control get +1/+0 and gain haste until end of turn.

0: Create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

-6: You get an emblem with "At the end of the first combat phase on your turn, untap target creature you control. After this phase, there is an additional combat phase."