If a creature attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

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

{T}: Add {B}. {T}: Add {R}. Activate only if you control a Swamp or a Mountain.

({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 one mana of any color. Spend this mana only to cast an Assassin spell or a spell that has freerunning, or to activate an ability of an Assassin source.

{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 one mana of any color that a land an opponent controls could produce.

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}: Add {R}.)

({T}: Add {W}.)

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

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

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

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}.)

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

Exile target nonland permanent. You lose 3 life.

Exile target permanent with mana value 4 or greater.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Destroy target nonland permanent. Its controller creates a 1/1 white Human creature token.

Exile target creature. Its controller gains life equal to its power.

Equipped creature has ward {2}, is an Assassin in addition to its other types, and can't be blocked. Equip legendary creature {1} Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

When this enchantment enters, you may discard a card. If you do, draw two cards. {1}, Sacrifice this enchantment: Creatures you control gain haste until end of turn.

As an additional cost to cast this spell, discard two cards. Draw three cards.

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

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 token: Add one mana of any color.")

As an additional cost to cast this spell, sacrifice an artifact or discard a card. Draw two cards.

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.)

As an additional cost to cast this spell, sacrifice a creature. Draw two cards. If the sacrificed creature was legendary, draw three cards instead.

As an additional cost to cast this spell, discard a card. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

As an additional cost to cast this spell, discard a card. Draw two cards.

You gain 2 life. Then you may discard two cards. If you do, draw three cards.

{2}, {T}: Target creature you control phases out. (Treat it and anything attached to it as though they don't exist until your next turn.)

{0}: Remove target attacking creature you control from combat and untap it. (If you activate during end of combat, the creature will untap after it deals combat damage.)

Whenever Arbaaz Mir or another nontoken historic permanent you control enters, Arbaaz Mir deals 1 damage to each opponent and you gain 1 life. (Artifacts, legendaries, and Sagas are historic.)

Deathtouch Other Assassins you control get +2/+0. Disguise {B}{R} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)

Menace, lifelink Whenever a historic creature you control deals combat damage to a player, create a 1/1 black Assassin creature token with menace. (Artifacts, legendaries, and Sagas are historic.)

Double strike During your turn, other historic creatures you control have double strike. Disguise {1}{R}{W} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)

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.)

Menace Desmond Miles gets +1/+0 for each other Assassin you control and each Assassin card in your graveyard. Whenever Desmond Miles deals combat damage to a player, surveil X, where X is the amount of damage it dealt to that player.

Sacrifice this creature: Destroy target nonblack creature. Recover—Pay half your life, rounded up. (When another creature is put into your graveyard from the battlefield, you may pay half your life, rounded up. If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)

First strike When Layla Hassan enters and whenever one or more Assassins you control deal combat damage to a player, return target historic card from your graveyard to your hand.

Whenever a creature an opponent controls dies, exile it with a hit counter on it. Assassins, Mercenaries, and Rogues you control have deathtouch and "Whenever this creature deals combat damage to a player, you may remove a hit counter from a card that player owns in exile. If you do, draw a card and create two Treasure tokens."

Menace Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card.

Freerunning {1}{B} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) When this creature enters, you draw a card and you lose 1 life.

Flying, lifelink Whenever one or more outlaws you control deal combat damage to a player, create a Treasure token. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.) {3}, Sacrifice two Treasures: Put two +1/+1 counters on each creature you control. Activate only as a sorcery.

Deathtouch, haste When Queen Marchesa enters, you become the monarch. At the beginning of your upkeep, if an opponent is the monarch, create a 1/1 black Assassin creature token with deathtouch and haste.

When this creature enters, you may sacrifice another creature. When you do, destroy target nonland permanent.

When this creature enters, you may sacrifice an artifact or creature. When you do, exile target creature an opponent controls.

Deathtouch Whenever this creature deals combat damage to a player, they lose half their life, rounded up. When this creature dies, if it had no counters on it, return it to the battlefield tapped under its owner's control with two stun counters on it.

Whenever an opponent casts their second spell each turn, you create a Treasure token.

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

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

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

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

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

{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.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Destroy all nonland permanents your opponents control.

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

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

Creatures you control have haste. Legendary creatures you control get +1/+0.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.