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

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

This land enters tapped unless you control a Swamp. {T}: Add {B}. {1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

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

({T}: Add {R}.)

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

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

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

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. {T}: Add {R}. {R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

({T}: Add {B}.)

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

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {B} or {R}.

{T}: Add {C}{C}. Activate only if you control five or more lands.

Acidic Soil deals damage to each player equal to the number of lands they control.

If a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

At the beginning of each player's end step, this enchantment deals X damage to that player, where X is the number of untapped lands they control.

Flash If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.

If a red instant or sorcery spell you control would deal damage, it deals double that damage instead.

If a creature you control would deal damage to a permanent or player, it deals double that damage instead.

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

Whenever a player casts a spell, this enchantment deals 2 damage to that player.

At the beginning of each player's upkeep, this enchantment deals 2 damage to that player. If a player would gain life, that player gains no life instead.

Syphon Soul deals 2 damage to each other player. You gain life equal to the damage dealt this way.

Reach, lifelink If another source you control would deal noncombat damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead. Whenever you cast an instant or sorcery spell, Tor Wauki deals 2 damage to any target.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, this enchantment deals 2 damage to any target. If you're the monarch, it deals 7 damage instead.

Spectacle {R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

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}

+1: You draw a card and you lose 1 life. −3: Destroy target creature. −8: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life."

Target opponent may have Risk Factor deal 4 damage to them. If that player doesn't, you draw three cards. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Menace At the beginning of your upkeep, reveal the top card of your library. Any opponent may have you put that card into your graveyard. If a player does, this creature deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand.

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

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.)

Destroy target artifact, creature, or planeswalker.

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

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.

Earthquake deals X damage to each creature without flying and each player.

Choose two — • Return target creature card from your graveyard to your hand. • Target player discards a card. • Destroy target artifact. • Kolaghan's Command deals 2 damage to any target.

Choose a creature at random, then destroy the rest.

Lightning Bolt deals 3 damage to any target.

Whenever an opponent draws a card, Ob Nixilis deals 1 damage to that player. −2: Destroy target creature. Its controller draws two cards.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When this creature enters, destroy target nonartifact, nonblack creature. Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

Target creature gets -1/-1 until end of turn. Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

Destroy target creature. If you control an artifact, Unlicensed Disintegration deals 3 damage to that creature's controller.

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

Indestructible Equipped creature has indestructible. Equip {2}

Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."

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

Indestructible As this creature enters, choose a player. Whenever this creature is dealt damage, it deals that much damage to the chosen player. {T}: This creature deals 1 damage to itself.

Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with this enchantment on the bottom of their library in a random order.

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.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

Add {B}{B}{B}.

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

Trample Whenever this creature deals combat damage to a player, you may cast your commander from the command zone without paying its mana cost. (You still pay any additional costs.)

{T}: Add three mana of any one color.

Add {R} for each tapped land your opponents control.

{T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on this artifact. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."

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

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

{1}, Sacrifice this artifact: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. This artifact enters tapped. {T}: Add {B} or {R}.