Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player.

Add {B}{B}{B}.

Add {R}{R}{R}{R}{R}.

You gain life equal to the damage dealt to you this turn. Simulacrum deals damage to target creature you control equal to the damage dealt to you this turn.

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +1/+0 for each opponent you have. Whenever equipped creature is dealt damage, it deals that much damage to any target. Equip {4}

When this artifact enters, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Equipped creature has defender and "{2}, {T}: Other creatures you control gain trample and get +X/+X until end of turn, where X is this creature's power." Equip {3}

{2}, {T}: You gain 5 life. Shuffle this artifact and your graveyard into their owner's library.

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

Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)

Flash Indestructible When Mithril Coat enters, attach it to target legendary creature you control. Equipped creature has indestructible. Equip {3}

All damage that would be dealt to you is dealt to equipped creature instead. Equip {3}

Equipped creature has lifelink. Whenever equipped creature dies, return that card to the battlefield under its owner's control at the beginning of the next end step. Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

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

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.

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

{T}, Pay 1 life: Destroy target permanent you own. {T}, Pay 2 life: Add one mana of any color. {T}, Pay 3 life: Proliferate. {T}, Pay 4 life: Draw a card. {5}: Untap this artifact.

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

({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 one mana of any color in your commander's color identity.

Dark Depths enters with ten ice counters on it. {3}: Remove an ice counter from Dark Depths. When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

Indestructible {T}: Add {C}.

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

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

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

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

{T}, Pay 1 life: Add {B} or {R}. {1}{B}{R}, {T}: Mount Doom deals 1 damage to each opponent. {5}{B}{R}, {T}, Sacrifice Mount Doom and a legendary artifact: Choose up to two creatures, then destroy the rest. Activate only as a sorcery.

({T}: Add {R}.)

({T}: Add {B}.)

{T}: Add {C}. {2}, {T}: This land becomes a copy of target land, except it has this ability.

{T}: Add {C}. {2}, {T}: Target legendary creature becomes a God in addition to its other types. Put a +1/+1 counter on it. {4}, {T}, Sacrifice this land: Put an indestructible counter on target God.

Indestructible When this creature enters, suspect it. (It has menace and can't block.) Whenever this creature deals combat damage to a player, you draw a card and you lose 1 life. Whenever this creature is dealt damage, target opponent loses that much life.

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

Indestructible Whenever this creature is dealt damage, it deals that much damage to target opponent. {2}{R}, {T}: This creature fights another target creature.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Indestructible (Damage and effects that say "destroy" don't destroy this creature.) If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.

Indestructible Whenever this creature attacks, blocks, or becomes the target of a spell, it deals damage equal to its power to each opponent. {5}: Monstrosity 5. (If this creature isn't monstrous, put five +1/+1 counters on it and it becomes monstrous.)

This creature doesn't untap during your untap step. Whenever a creature dies, untap this creature. {T}: This creature deals 1 damage to any target.

First strike, deathtouch This creature can only attack alone. Whenever this creature attacks a player and isn't blocked, that player's life total becomes 1. This creature assigns no combat damage this combat.

Indestructible As this creature enters, put a phylactery counter on an artifact you control. When you control no permanents with phylactery counters on them, sacrifice this creature.

Indestructible Shadow (This creature can block or be blocked by only creatures with shadow.) Morbid — At the beginning of each end step, if a creature died this turn, put a +1/+1 counter on this creature.

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

Boltwave deals 3 damage to each opponent.

Each player mills ten cards. For each player, choose a creature or planeswalker card in that player's graveyard. Put those cards onto the battlefield under your control. Then each creature you control becomes a Phyrexian in addition to its other types.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Target creature you control deals damage equal to its power to each other creature and each opponent.

Search your library for a card, put that card into your hand, then shuffle.

Target creature gets -4/-4 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Each opponent faces a villainous choice — They exile cards from the top of their library until they exile a nonland card, then you may cast that card without paying its mana cost, or that player exiles the top four cards of their library and Ensnared by the Mara deals damage equal to the total mana value of those exiled cards to that player.

Each opponent loses X life. You gain life equal to the life lost this way.

Search your library for two cards. Put one into your hand and the other into your graveyard. Then shuffle.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

For each creature, its controller sacrifices it unless they pay X life.

Enchant creature Whenever enchanted creature is dealt damage, this Aura deals that much damage to that creature's controller.

Whenever a creature dies, put a charge counter on this enchantment. At the beginning of your first main phase, add {B} for each charge counter on this enchantment.

Cumulative upkeep—Add {R}. (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.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

Whenever a creature is dealt damage, destroy it. It can't be regenerated.

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

Whenever a creature enters, destroy it. {0}: Destroy this enchantment. You skip your next turn. Any player may activate this ability.

Whenever a creature deals damage to you, destroy it.

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

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment. {R}: This enchantment deals 1 damage to each creature and each player.

Whenever a creature is dealt damage, this enchantment deals that much damage to that creature's controller.

Enchant creature Whenever enchanted creature is dealt damage, it deals that much damage to its controller.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment. {B}: This enchantment deals 1 damage to each creature and each player. Activate no more times each turn than the number of snow Swamps you control.