Whenever you cast an instant or sorcery spell from your hand, you may cast up to one target card of the other type from your graveyard. If a spell cast from your graveyard this way would be put into your graveyard, exile it instead. Choose a Background (You can have a Background as a second commander.)

Deathtouch Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Blighted Agent can't be blocked.

Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Counter target spell unless its controller pays {2}. Corrupted — Counter that spell instead if its controller has three or more poison counters.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Destroy target nonartifact creature.

Corrupted — This spell costs {2} less to cast if an opponent has three or more poison counters. Draw two cards.

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

Target player mills two cards. Draw a card.

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped. {T}: Add {U} or {B}.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

Morphic Pool enters the battlefield tapped unless you have two or more opponents. {T}: Add {U} or {B}.

Shipwreck Marsh enters the battlefield tapped unless you control two or more other lands. {T}: Add {U} or {B}.

({T}: Add {U} or {B}.) Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

Target player draws three cards, loses 3 life, and gets three poison counters.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When Ichor Rats enters the battlefield, each player gets a poison counter.

Each opponent gets a poison counter. Then each creature your opponents control gets -1/-1 until end of turn for each poison counter its controller has.

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Draw a card.

Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Glistening Sphere enters the battlefield tapped. When Glistening Sphere enters the battlefield, 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.

{T}, Pay 1 life: Destroy target permanent you own. {T}, Pay 2 life: Add one mana of any color. {T}, Pay 3 life: Proliferate. {T}, Pay 4 life: Draw a card. {5}: Untap Staff of Compleation.

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Draw a card.

Flying If you would proliferate, proliferate twice instead. {1}{U/P}{U/P}, Remove three counters from among other artifacts, creatures, and planeswalkers you control: Put an indestructible counter on Tekuthal, Inquiry Dominus. ({U/P} can be paid with either {U} or 2 life.)

({U/P} can be paid with either {U} or 2 life.) Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

Choose one — • Counter target spell. • Target player draws two cards. • Gain control of target nonland permanent with mana value 1 or less.

Counter target spell. If that spell targets a commander you control, instead counter that spell, scry 2, then draw a card.

Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Draw four cards, then choose X cards in your hand and discard the rest.

Return up to two target creature cards with total mana value 3 or less from your graveyard to the battlefield. Put a deathtouch counter on either of them. Then put a menace counter on either of them.

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.)

When Contagion Clasp enters the battlefield, 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 Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When Core Prowler dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Enchant creature You control enchanted creature. Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Counter target spell if its controller is poisoned.

Counter target spell.

Dakmor Salvage enters the battlefield tapped. {T}: Add {B}. Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)

Destroy all creatures. They can't be regenerated.

Add {B}{B}{B}.

Target creature gets -1/-1 until end of turn. Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Choose one — • Counter target sorcery spell. • Destroy target creature with power 2 or less. • Look at the top three cards of target player's library. Put one back and the rest into that player's graveyard.

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

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game. Exile Finale of Revelation.

Font of Progress enters the battlefield with two oil counters on it. {3}, {T}: Target player mills X cards, where X is the number of oil counters on Font of Progress.

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

Return up to one target creature card from your graveyard to the battlefield. Corrupted — For each opponent who has three or more poison counters as you cast this spell, put up to one target creature card from that player's graveyard onto the battlefield under your control.

When Gitaxian Anatomist enters the battlefield, you may tap it. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Golgari Thug dies, put target creature card from your graveyard on top of your library. Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

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.)

When Gulping Scraptrap enters the battlefield or dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Other creatures you control with infect get +1/+1. Whenever you cast a creature spell with infect, target player gets a poison counter.

Flying Haughty Djinn's power is equal to the number of instant and sorcery cards in your graveyard. Instant and sorcery spells you cast cost {1} less to cast.

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Equipped creature gets +1/+2 and has hexproof. (It can't be the target of spells or abilities your opponents control.) Equip {3}

Gain control of X target creatures and/or planeswalkers.

Enchant creature When Mesmerizing Dose enters the battlefield, tap enchanted creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Enchanted creature doesn't untap during its controller's untap step.

Flash At the beginning of your upkeep, put an oil counter on Mindsplice Apparatus. Instant and sorcery spells you cast cost {1} less to cast for each oil counter on Mindsplice Apparatus.

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.

Scry 1. Draw a card.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {T}: Add {C}.

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Counter target spell. If that spell's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

As an additional cost to cast this spell, sacrifice an artifact. Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

{T}: Add {C}. {2}, {T}: Return target commander you own from the battlefield to your hand. Activate only during your turn.

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {B}: Skithiryx, the Blight Dragon gains haste until end of turn. {B}{B}: Regenerate Skithiryx.

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

Flying Whenever Stinkweed Imp deals combat damage to a creature, destroy that creature. Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

Equipped creature gets +2/+2 and has protection from blue and from black. Whenever equipped creature deals combat damage to a player, surveil 2. Then you may cast an instant or sorcery spell with mana value 2 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Equip {2}

The Monumental Facade enters the battlefield with two oil counters on it. {T}: Add {C}. {T}, Remove an oil counter from The Monumental Facade: Put an oil counter on target artifact or creature you control. Activate only as a sorcery.

{T}, Sacrifice an artifact: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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.)

Whenever another artifact or creature you control is put into a graveyard from the battlefield, put an oil counter on Vat of Rebirth. {2}{B}, {T}, Remove four oil counters from Vat of Rebirth: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

Lifelink, toxic 1 Whenever you proliferate, choose one — • If you don't control a creature named The Hollow Sentinel, create The Hollow Sentinel, a legendary 3/3 colorless Phyrexian Golem artifact creature token. • Target artifact creature you control gains flying and lifelink until end of turn.

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {3}{U}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Draw three cards. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control.