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

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

You have no maximum hand size. {T}: Add one mana of any color.

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

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

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

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

You have no maximum hand size. {T}: Add {C}.

Flying When this creature enters, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) At the beginning of your upkeep, sacrifice a creature.

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

Flying This creature enters with four oil counters on it. At the beginning of your upkeep, remove an oil counter from this creature. Then if it has no oil counters on it, you lose the game. Whenever a creature an opponent controls dies, its controller loses 2 life.

Equipped creature gets +2/+2, has haste, can't attack you or planeswalkers you control, and can't be sacrificed. At the beginning of each opponent's upkeep, you may have that player gain control of equipped creature until end of turn. If you do, untap it. Equip {3}

Equipped creature gets +2/+0 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) {1}: Attach this Equipment to target creature an opponent controls. Activate only as a sorcery.

This creature can't block. Whenever this creature deals combat damage, sacrifice a permanent.

Flying Whenever a player casts a spell, you lose 1 life.

Whenever this creature attacks, you lose half your life, rounded up. Whenever this creature deals combat damage to a player, that player loses half their life, rounded up. Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Non-Eye creatures you control can't attack. This creature can't be blocked except by Walls.

Non-Eye creatures you control can't attack. Whenever this creature becomes blocked by a creature, destroy that creature.

Flying, trample At the beginning of your upkeep, sacrifice a creature other than this creature. If you can't, this creature deals 7 damage to you.

Trample Whenever this creature is dealt damage, sacrifice that many permanents.

Cumulative upkeep—Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) At the beginning of your upkeep, you get a poison counter.

At the beginning of your end step, sacrifice each other creature you control. Discard two cards, Sacrifice this creature: Choose target opponent. Return this creature to the battlefield under that player's control at the beginning of their next upkeep.

At the beginning of your upkeep, discard a card.

Flying At the beginning of your upkeep, sacrifice another artifact. If you can't, tap this creature and you lose 4 life.

You can't cast creature spells.

Trample Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.) At the beginning of your upkeep, all lands you control phase out. (They phase in before you untap during your next untap step.)

Flying Your maximum hand size is reduced by three.

Indestructible Shadow (This creature can block or be blocked by only creatures with shadow.) Morbid — At the beginning of each end step, if a creature died this turn, put a +1/+1 counter on this creature.

Enchant creature Enchanted creature gets +2/+2, has menace, and can't attack you or planeswalkers you control. (It can't be blocked except by two or more creatures.)

Flash First strike, vigilance Whenever an opponent casts a creature spell, this creature isn't a creature until end of turn. If this creature would deal combat damage to a creature, prevent that damage and that creature's owner shuffles it into their library.

Whenever another creature enters, you lose 1 life.

Target opponent gains control of target creature. (If an attacking or blocking creature changes controllers, it's removed from combat.)

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Counter target spell.

No more than two creatures can attack you each combat.

Prevent all combat damage that would be dealt this turn.

Flash When this artifact enters during the declare attackers step, you may reselect which player or permanent target attacking creature is attacking. (It can't attack its controller or their permanents.) {T}: Add {U}.

Counter target noncreature spell.

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

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

Flying, deathtouch When this creature enters, draw a card.

Enchant player Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.

Spree (Choose one or more additional costs.) + {2} — Search your library for a card, then shuffle and put that card on top. + {B}{B} — Target player draws three cards and loses 3 life.

Flying At the beginning of your upkeep, each opponent draws a card.

Exchange control of two target creatures controlled by different players. If you control neither creature, draw three cards.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Enchant creature Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, you scry 2.

Flying When this creature enters, search your library for a card, put it into your hand, then shuffle.

Target player draws two cards and loses 2 life.

Flash Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies. Copies become tokens.) Enchant creature Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1.

Return all noncreature, nonland permanents to their owners' hands.

Whenever a creature you control dies, each other player sacrifices a creature of their choice.

Enchant creature, land, or planeswalker Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

Destroy target creature. You lose 2 life.

Spree (Choose one or more additional costs.) + {1} — Target opponent sacrifices half the creatures they control of their choice, rounded up. + {2} — Target opponent discards half the cards in their hand, rounded up. + {2} — Target opponent loses half their life, rounded up.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.

Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.

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

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

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

This land enters tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

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

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

{T}: Add {U}. {T}: Add {B}. Activate only if you control an Island or a Swamp.

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

({T}: Add {U}.)

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {B}.

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {B}.

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

({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 {U} or {B}.

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