Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. You may repeat this process any number of times.

At the beginning of your end step, draw a card if your life total is greater than your starting life total. Otherwise, you gain 2 life.

Put a -1/-1 counter on target creature. Draw a card.

When this artifact enters, scry 1, then draw a card. {2}, {T}, Sacrifice this artifact: You gain 3 life. When this artifact is put into a graveyard from the battlefield, its owner shuffles it into their library.

Equipped creature has skulk. (It can't be blocked by creatures with greater power.) Whenever equipped creature deals combat damage to a player, you may draw a card. If you do, discard a card. Equip {2}

Equipped creature gets +2/+2 and has protection from red and from blue. Whenever equipped creature deals combat damage to a player, this Equipment deals 2 damage to any target and you draw a card. Equip {2}

Black creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

You may spend mana as though it were mana of any color. {T}: Add {C}{C}{C}{C}{C}. {5}, {T}: Draw a card for each color among permanents you control.

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

This artifact enters tapped. When this artifact enters, proliferate. {T}: Add one mana of any color. Corrupted — {T}: Add three mana of any one color. Activate only if an opponent has three or more poison counters.

Red creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, you may discard a card. If you do, draw a card.

Spells cost {1} less to cast.

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

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {B} or {R}. {B}{R}, {T}, Sacrifice this artifact: Draw a card.

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

As this artifact enters, choose two colors. Each spell you cast costs {1} less to cast for each of the chosen colors it is.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Multicolored spells cost {2} less to cast.

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

Enchant creature As long as enchanted creature is black, it gets +1/+1 and has wither. (It deals damage to creatures in the form of -1/-1 counters.) As long as enchanted creature is red, it gets +1/+1 and has first strike.

Wither (This deals damage to creatures in the form of -1/-1 counters.) When this creature dies, put a -1/-1 counter on each creature with a -1/-1 counter on it.

Put a -1/-1 counter on target creature.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

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

This land enters tapped unless you control two or fewer other lands. {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. When this land enters, you gain 1 life. {T}: Add {B} or {R}.

({T}: Add {B} or {R}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

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}.

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {R}.

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

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

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

({T}: Add {B} or {R}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

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

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

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

({T}: Add {B}.)

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

Wither (This deals damage to creatures in the form of -1/-1 counters.) {1}{B}: Regenerate this creature.

When this creature enters, put a -1/-1 counter on target creature.

{2}: Target black creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)

Menace Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card.

First strike Wither (This deals damage to creatures in the form of -1/-1 counters.)

Whenever a player casts a black spell, you may gain 1 life.

Whenever a player casts a red spell, you may gain 1 life.

Players can't gain life. Damage can't be prevented. All damage is dealt as though its source had wither. (A source with wither deals damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, you gain 1 life. {3}, Sacrifice this artifact: Draw a card.

Whenever a player casts an artifact spell, you may gain 1 life.

Choose target creature. Roll X six-sided dice. For each even result, put two -1/-1 counters on that creature. For each odd result, create a 1/2 blue Bird creature token with flying named Storm Crow.

When this creature enters, you may put a -1/-1 counter on target creature. {B}, Sacrifice this creature: Destroy target creature that has a -1/-1 counter on it.

At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it.

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.)

When this creature dies, you may put a -1/-1 counter on target creature.

Sacrifice this creature: Put a -1/-1 counter on target creature.

This creature enters with three -1/-1 counters on it. Remove a -1/-1 counter from this creature: Put a -1/-1 counter on another target creature.

Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.

Wither (This deals damage to creatures in the form of -1/-1 counters.) At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Wither (This deals damage to creatures in the form of -1/-1 counters.) Puncture Blast deals 3 damage to any target.

Cards in graveyards can't be the targets of spells or abilities. {4}, {T}: Exile this artifact and all cards from all graveyards. Draw a card.

When this creature enters, put three -1/-1 counters on target creature.

Destroy target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{2}, Discard a card: Put a -1/-1 counter on target creature. That creature can't block this turn.

When Contagion Clasp enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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.)

Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Equipped creature gets +2/+2 and has protection from white and from blue. Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on a creature you control, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Equip {2}

Put target creature card from a graveyard onto the battlefield under your control. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)