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

{2}, {T}: Put a charge counter on Black Mana Battery. {T}, Remove any number of charge counters from Black Mana Battery: Add {B}, then add an additional {B} for each charge counter removed this way.

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

{2}, {T}: Put a charge counter on Blue Mana Battery. {T}, Remove any number of charge counters from Blue Mana Battery: Add {U}, then add an additional {U} for each charge counter removed this way.

Charcoal Diamond enters the battlefield tapped. {T}: Add {B}.

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

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

Fire Diamond enters the battlefield tapped. {T}: Add {R}.

Sacrifice a creature: Add one mana of any color.

{2}, {T}: Put a charge counter on Red Mana Battery. {T}, Remove any number of charge counters from Red Mana Battery: Add {R}, then add an additional {R} for each charge counter removed this way.

Sky Diamond enters the battlefield tapped. {T}: Add {U}.

{X}, Sacrifice Snake Basket: Create X 1/1 green Snake creature tokens. Activate only as a sorcery.

As Sol Grail enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

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

{5}, {T}: Create a 1/1 colorless Insect artifact creature token with flying named Wasp. (It can't be blocked except by creatures with flying or reach.)

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

{2}{B}{R}, {T}: Create a 1/1 black and red Demon creature token named Minor Demon.

{T}, Sacrifice a creature: Target creature gets +2/+2 until end of turn. {1}{U}{U}, Sacrifice a creature: Counter target creature spell.

{X}{B}, {T}, Discard a card: Target creature gets +X/+0 until end of turn.

{U}, {T}, Discard a card: Counter target spell or ability that targets a creature.

{R}, Sacrifice Enslaved Dwarf: Target black creature gets +1/+0 and gains first strike until end of turn.

Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Goblin Marshal enters the battlefield or dies, create two 1/1 red Goblin creature tokens.

{R}{R}, {T}: Target creature you control can't be blocked this turn. Destroy it and Goblin Sappers at end of combat. {R}{R}{R}{R}, {T}: Target creature you control can't be blocked this turn. Destroy it at end of combat.

Sacrifice a Goblin: Target creature gets +1/+1 until end of turn.

{U}, {T}: Put target creature you control on top of its owner's library. {R}, {T}: Target creature gains first strike until end of turn.

Kicker {2}{U} and/or {2}{R} (You may pay an additional {2}{U} and/or {2}{R} as you cast this spell.) When Nightscape Battlemage enters the battlefield, if it was kicked with its {2}{U} kicker, return up to two target nonblack creatures to their owners' hands. When Nightscape Battlemage enters the battlefield, if it was kicked with its {2}{R} kicker, destroy target land.

{U}{U}, {T}: Return target creature to its owner's hand. {R}{R}, {T}: Nightscape Master deals 2 damage to target creature.

{2}{B}, {T}, Discard a card: Destroy target nonblack creature. It can't be regenerated.

{3}{U}, {T}, Discard a card: Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

{B}, {T}, Discard a card: Target creature gets -1/-1 until end of turn.

Flying Threshold — As long as seven or more cards are in your graveyard, Possessed Aven gets +1/+1, is black, and has "{2}{B}, {T}: Destroy target blue creature."

First strike Threshold — As long as seven or more cards are in your graveyard, Possessed Barbarian gets +1/+1, is black, and has "{2}{B}, {T}: Destroy target red creature."

When Rukh Egg dies, create a 4/4 red Bird creature token with flying at the beginning of the next end step.

When Sengir Autocrat enters the battlefield, create three 0/1 black Serf creature tokens. When Sengir Autocrat leaves the battlefield, exile all Serf tokens.

When Siege-Gang Commander enters the battlefield, create three 1/1 red Goblin creature tokens. {1}{R}, Sacrifice a Goblin: Siege-Gang Commander deals 2 damage to any target.

{U}: Regenerate Spiny Starfish. At the beginning of each end step, if Spiny Starfish regenerated this turn, create a 0/1 blue Starfish creature token for each time it regenerated this turn.

{U}{U}, {T}, Discard a card: Counter target noncreature spell.

{B}, {T}, Discard a card: Return target creature card from your graveyard to your hand.

Defender (This creature can't attack.) {U}{U}, {T}: Create a 0/1 blue Plant Wall creature token with defender named Kelp.

Enchant creature Enchanted creature can't be blocked unless defending player pays {3} for each creature they control that's blocking it.

At the beginning of your upkeep, sacrifice Breeding Pit unless you pay {B}{B}. At the beginning of your end step, create a 0/1 black Thrull creature token.

Enchant creature Enchanted creature can't be blocked.

Enchant creature Shroud (A permanent with shroud can't be the target of spells or abilities.) Enchanted creature has shroud.

{3}: Look at the top three cards of target player's library, then put them back in any order.

If a creature 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 upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's mana value.

Enchant creature Enchanted creature can't be blocked except by Walls.

Whenever a player draws a card, that player loses 2 life unless they pay {2}.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

As an additional cost to cast this spell, sacrifice a creature. Create X 0/1 black Insect creature tokens, where X is the sacrificed creature's power.

Counter target spell unless its controller pays {1} for each card in your graveyard. Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Choose one — • Return target permanent to its owner's hand. • Destroy target nonblack creature. It can't be regenerated. • Destroy target artifact.

Choose one — • Create a 2/2 black Zombie creature token. • Destroy target nonartifact, nonblack creature. It can't be regenerated.

Fiery Temper deals 3 damage to any target. Madness {R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Target creature can't be blocked this turn.

Draw a card. Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Rhystic Lightning deals 4 damage to any target unless that permanent's controller or that player pays {2}. If they do, Rhystic Lightning deals 2 damage to the permanent or player.

Choose target creature. If it's attacking, it can't be blocked this turn. If it's blocking, prevent all combat damage that would be dealt this combat by it and each creature it's blocking.

{T}: Add {C}. {1}, {T}: Add {B}. {2}, {T}: Add {U} or {R}.

Whenever City of Brass becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

When Crosis's Catacombs enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand. {T}: Add {U}, {B}, or {R}.

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

{T}: Add {C}. {2}, {T}: Add one mana of any color.

({T}: Add {U}.)

({T}: Add {R}.)

{T}: Add {C}. {2}, {T}: Add one mana of any color.

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

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

{T}: Add {C}. {T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add one mana of any color. Tarnished Citadel deals 3 damage to you.

Buyback {4} (You may pay an additional {4} as you cast this spell. If you do, put this card into your hand as it resolves.) Create a 1/1 black Rat creature token.