As an additional cost to cast this spell, discard X cards.

Look at target opponent's hand and choose X cards from it. That player discards those cards.

Akoum Refuge enters the battlefield tapped.

When Akoum Refuge enters the battlefield, you gain 1 life.

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

Instant and sorcery spells cost {2} less to cast.

+2: Exile the top three cards of target opponent's library.

-X: Put a creature card with mana value X exiled with Ashiok, Nightmare Weaver onto the battlefield under your control. That creature is a Nightmare in addition to its other types.

-10: Exile all cards from all opponents' hands and graveyards.

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

At the beginning of each end step, if an opponent lost 2 or more life this turn, you may put a quest counter on Bloodchief Ascension. (Damage causes loss of life.)

Whenever a card is put into an opponent's graveyard from anywhere, if Bloodchief Ascension has three or more quest counters on it, you may have that player lose 2 life. If you do, you gain 2 life.

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

Brimstone Volley deals 3 damage to any target.

Morbid -- Brimstone Volley deals 5 damage instead if a creature died this turn.

Counter target spell unless its controller pays {3}.

Spell mastery -- If there are two or more instant and/or sorcery cards in your graveyard, scry 2. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Counter target spell.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

Counter target spell unless its controller pays {X}.

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

Counter target spell.

Crumbling Necropolis enters the battlefield tapped.

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

Enchant creature

Whenever enchanted creature deals damage to an opponent, you may draw a card.

Enchant player

Whenever a player attacks enchanted player with one or more creatures, that attacking player may tap or untap target permanent of their choice.

Add {B}{B}{B}.

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way.

Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.)

When you cycle Decree of Pain, all creatures get -2/-2 until end of turn.

Counter target spell.

Draw a card.

Counter target instant spell.

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.

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

Defender, flying

Prevent all combat damage that would be dealt to and dealt by Fog Bank.

({U/P} can be paid with either {U} or 2 life.)

Look at target player's hand.

Draw a card.

Choose one --

• Return target permanent to its owner's hand.

• Target creature gets -4/-4 until end of turn.

• Creatures you control get +2/+0 until end of turn.

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

Choose two --

• Incendiary Command deals 4 damage to target player or planeswalker.

• Incendiary Command deals 2 damage to each creature.

• Destroy target nonbasic land.

• Each player discards all the cards in their hand, then draws that many cards.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Izzet Boilerworks enters the battlefield tapped.

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

{T}: Add {U}{R}.

Izzet Guildgate enters the battlefield tapped.

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

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Whenever an opponent discards a card, that player loses 2 life.

Counter target spell unless its controller pays {3}.

Each player shuffles the cards from their hand into their library, then draws that many cards.

Metalcraft -- If you control three or more artifacts, Molten Psyche deals damage to each opponent equal to the number of cards that player has drawn this turn.

{T}: Add {C}.

{1}, {T}: Put a storage counter on Molten Slagheap.

{1}, Remove X storage counters from Molten Slagheap: Add X mana in any combination of {B} and/or {R}.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Counter target noncreature spell.

Blue spells and red spells you cast cost {1} less to cast.

{1}{B}: Regenerate Nightscape Familiar.

Flash

If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

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

{T}: Add {C}.

{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

Target player draws four cards.

Destroy target creature. Its controller loses life equal to its power plus its toughness.

Suspend 5--{1}{B} (Rather than cast this card from your hand, you may pay {1}{B} and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Each player draws X cards.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand.

Whenever you draw a card, each opponent loses 1 life.

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}.

Rakdos Guildgate enters the battlefield tapped.

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

You have no maximum hand size.

{T}: Add {C}.

Rupture Spire enters the battlefield tapped.

When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

{T}: Add {C}.

{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

Each player draws X cards.

Forecast -- {2}{U}, Reveal Skyscribing from your hand: Each player draws a card. (Activate only during your upkeep and only once each turn.)

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

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

Choose one or both --

• Counter target creature spell.

• Return target creature card from your graveyard to your hand.

At the beginning of each player's draw step, that player draws an additional card.

Whenever a player draws a card, Spiteful Visions deals 1 damage to that player.

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.

({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}

At the beginning of each end step, if an opponent lost 3 or more life this turn, you may draw a card. (Damage causes loss of life.)

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

{T}: Each player draws a card.

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

You have no maximum hand size.

{T}: Add {C}.

As True-Name Nemesis enters the battlefield, choose a player.

True-Name Nemesis has protection from the chosen player.

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

Flying, deathtouch, lifelink

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.")

Each player draws two cards.

Vivid Creek enters the battlefield tapped with two charge counters on it.

{T}: Add {U}.

{T}, Remove a charge counter from Vivid Creek: Add one mana of any color.

Vivid Marsh enters the battlefield tapped with two charge counters on it.

{T}: Add {B}.

{T}, Remove a charge counter from Vivid Marsh: Add one mana of any color.

Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.

Whenever an opponent discards a land card, add {B}{B}.

Whenever an opponent discards a noncreature, nonland card, draw a card.

Any number of target opponents each discard their hands, then draw seven cards.

Draw a card.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Worn Powerstone enters the battlefield tapped.

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