Whenever an opponent draws a card, this creature deals 1 damage to that player.

Tap target untapped creature. That creature deals damage equal to its power to its controller.

When this creature enters, it deals damage to target player equal to the number of nonbasic lands that player controls. Unearth {5}{B}{R} ({5}{B}{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.)

Whenever a land enters, this artifact deals 2 damage to that land's controller.

Breath of Malfegor deals 5 damage to each opponent.

Whenever a player taps a nonbasic land for mana, this enchantment deals 1 damage to that player.

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

Flamebreak deals 3 damage to each creature without flying and each player. Creatures dealt damage this way can't be regenerated this turn.

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, this creature deals 2 damage to that player.

Players can't gain life. At the beginning of each player's upkeep, that player loses half their life, rounded up.

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

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

Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.

Players have no maximum hand size. At the beginning of each opponent's upkeep, this enchantment deals damage to that player equal to the number of cards in that player's hand.

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

Menace Players can't gain life. Whenever another creature enters, this creature deals 1 damage to that creature's controller.

At the beginning of each opponent's upkeep, this artifact deals 2 damage to that player unless they have exactly three or exactly four cards in hand.

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.

Whenever an opponent draws a card, this enchantment deals 1 damage to that player.

At the beginning of each opponent's upkeep, this creature deals X damage to that player, where X is the number of cards in their hand minus 4.

Flying At the beginning of your upkeep, target player draws a card and loses 1 life.

Indestructible As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) Your opponents can't gain life. {1}{B}, Pay 2 life: Draw a card.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever another nontoken creature dies, you may draw a card.

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

{2}, {T}, Sacrifice this artifact: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

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

Flying, trample You can't win the game and your opponents can't lose the game.

At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, this creature deals 3 damage to that player.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {R}.

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

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

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

{T}: Add {C}. {B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

This land enters tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, this land becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.

({T}: Add {R}.)

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

({T}: Add {B}.)

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}.

Whenever a creature enters, this enchantment deals 2 damage to it.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) Bituminous Blast deals 4 damage to target creature.

Flying Whenever this creature or another creature you control dies, each opponent sacrifices a creature of their choice.

Flying At the beginning of each player's upkeep, that player sacrifices a monocolored creature of their choice.

Flash Whenever a creature you control dies, each opponent sacrifices a creature of their choice.

When this creature enters, each player sacrifices a creature of their choice.

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

Flying When Malfegor enters, discard your hand. Each opponent sacrifices a creature of their choice for each card discarded this way.

This spell can't be countered. Destroy all artifacts, creatures, and lands. They can't be regenerated.

Flying Morbid — At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.

Destroy all nonbasic lands.

Strive — This spell costs {2}{B} more to cast for each target beyond the first. Exile any number of target creatures and all Auras attached to them.

+1: Each opponent discards a card and loses 2 life. −3: Gain control of target creature until end of turn. Untap it. It gains haste until end of turn. Sacrifice it at the beginning of the next end step if it has mana value 3 or less. −8: Each opponent loses life equal to the number of cards in their graveyard.

Blightning deals 3 damage to target player or planeswalker. That player or that planeswalker's controller discards two cards.

At the beginning of each player's upkeep, that player discards a card at random.

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

Rakdos's Return deals X damage to target opponent or planeswalker. That player or that planeswalker's controller discards X cards.

At the beginning of each end step, each player discards their hand.

Whenever a land an opponent controls enters, that player loses 2 life and you gain 2 life.

When this enchantment enters, draw a card. All lands lose all abilities except mana abilities.

Nonbasic lands are Mountains.