Arisen Gorgon has deathtouch as long as you control a Liliana planeswalker. (Any amount of damage this deals to a creature is enough to destroy it.)

Enchant creature

Enchanted creature gets +1/+3 and has deathtouch. (Any amount of damage it deals to a creature is enough to destroy it.)

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.

Trample, infect, indestructible

If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

{2}, {T}: Add {B} for each Swamp you control.

When this Case enters the battlefield, destroy up to one target creature that was dealt damage this turn.

To solve -- Three or more creature cards were put into graveyards from anywhere this turn. (If unsolved, solve at the beginning of your end step.)

Solved -- This Case is a 4/4 Gorgon creature with deathtouch and lifelink in addition to its other types.

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.)

Trample, toxic 1

Whenever one or more creatures you control deal combat damage to one or more players, proliferate.

Corrupted -- At the beginning of your end step, if an opponent has three or more poison counters, draw a card, then you may put a land card from your hand onto the battlefield.

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

Draw a card.

Deathtouch

Skip your draw step.

At the beginning of your upkeep, if you have fewer than seven cards in hand, draw cards equal to the difference.

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.)

Landfall -- Whenever a land enters the battlefield under your control, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Look at the top six cards of your library. Put up to two land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. If you put fewer than two lands onto the battlefield this way, proliferate a number of times equal to the difference. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Ezuri, Stalker of Spheres enters the battlefield, you may pay {3}. If you do, proliferate twice.

Whenever you proliferate, draw a card.

Deathtouch

Whenever a creature you control with deathtouch deals combat damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.)

({B/G} can be paid with either {B} or {G}.)

Regenerate target creature. At this turn's next end of combat, destroy all creatures that blocked or were blocked by it this turn.

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.

Equipped creature gets +1/+1 and has deathtouch. (Any amount of damage it deals to a creature is enough to destroy that creature.)

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Whenever Gorgon Recluse blocks or becomes blocked by a nonblack creature, destroy that creature at end of combat.

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

Equipped creature has deathtouch.

Equip {2}

Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent.

Equip {2}

Planeswalkers you control have "[0]: Proliferate" and "[-12]: Take an extra turn after this one."

Whenever you cast a noncreature spell, choose a counter on target permanent. Put an additional counter of that kind on that permanent.

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

{T}: Add {C}.

{1}: Inkmoth Nexus becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{T}: Add {C}.

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

Deathtouch

{5}{B}{B}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.)

When Keepsake Gorgon becomes monstrous, destroy target non-Gorgon creature an opponent controls.

Deathtouch

{2}, Remove a +1/+1 counter from a creature you control: Target creature gets -1/-1 until end of turn.

+1: Each player discards a card. Each opponent who can't loses 3 life.

-3: Target creature gets -X/-X until end of turn, where X is the number of cards in your graveyard.

-7: You get an emblem with "At the beginning of combat on your turn, put target creature card from a graveyard onto the battlefield under your control. It gains haste."

Orochi Hatchery enters the battlefield with X charge counters on it.

{5}, {T}: Create a 1/1 green Snake creature token for each charge counter on Orochi Hatchery.

Deathtouch

Choose four. You may choose the same mode more than once.

• Create a 2/2 Citizen creature token that's all colors.

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

• Proliferate.

• You gain 4 life.

Flying, trample

When Roalesk, Apex Hybrid enters the battlefield, put two +1/+1 counters on another target creature you control.

When Roalesk dies, 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.)

{G}: Target creature blocks Sisters of Stone Death this turn if able.

{B}{G}: Exile target creature blocking or blocked by Sisters of Stone Death.

{2}{B}: Put a creature card exiled with Sisters of Stone Death onto the battlefield under your control.

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.

{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.

({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.)

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

Until end of turn, creatures you control get +1/+1 and gain trample and infect. (Creatures with infect deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

This spell can't be countered.

Trample, ward {4}, haste

Toxic 4 (Players dealt combat damage by this creature also get four poison counters.)

Return target permanent card from your graveyard to your hand. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Each land is a Swamp in addition to its other land types.

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

Whenever a creature you control becomes the target of a spell, target opponent gets 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.)

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

Flying

{T}: Destroy target creature. It can't be regenerated.

+1: Until your next turn, whenever a creature deals combat damage to Vraska the Unseen, destroy that creature.

-3: Destroy target nonland permanent.

-7: Create three 1/1 black Assassin creature tokens with "Whenever this creature deals combat damage to a player, that player loses the game."

Whenever Vraska's Conquistador attacks or blocks, if you control a Vraska planeswalker, target opponent loses 2 life and you gain 2 life.

Exile target creature or planeswalker. You gain 2 life.

Each opponent sacrifices a creature or planeswalker and gets a poison counter.

When Vraska's Finisher enters the battlefield, destroy target creature or planeswalker an opponent controls that was dealt damage this turn.

Target opponent loses 4 life. You may search your library and/or graveyard for a card named Vraska, Scheming Gorgon, reveal it, and put it into your hand. If you search your library this way, shuffle.

Destroy target creature. You gain life equal to its toughness. You may search your library and/or graveyard for a card named Vraska, Regal Gorgon, reveal it, and put it into your hand. If you search your library this way, shuffle.

Compleated ({B/P} can be paid with {B} or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)

0: You draw a card and you lose 1 life. Proliferate.

-2: Target creature becomes a Treasure artifact with "{T}, Sacrifice this artifact: Add one mana of any color" and loses all other card types and abilities.

-9: If target player has fewer than nine poison counters, they get a number of poison counters equal to the difference.

+2: You may sacrifice another permanent. If you do, you gain 1 life and draw a card.

-3: Destroy target nonland permanent with mana value 3 or less.

-9: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."

+2: Put a +1/+1 counter on up to one target creature. That creature gains menace until end of turn.

-3: Destroy target creature.

-10: For each creature card in your graveyard, put a +1/+1 counter on each creature you control.

+2: Create a 2/2 black Pirate creature token with menace.

-3: Destroy target artifact, creature, or enchantment. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

-10: Target player's life total becomes 1.

+2: Creatures you control get +1/+0 until end of turn.

-3: Destroy target creature.

-10: Until end of turn, creatures you control gain deathtouch and "Whenever this creature deals damage to an opponent, that player loses the game."

Whenever a creature you control with deathtouch deals damage to a player or planeswalker, put a +1/+1 counter on that creature.

-2: Create a 1/1 black Assassin creature token with deathtouch and "Whenever this creature deals damage to a planeswalker, destroy that planeswalker."

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

{2}{B}, {T}: Put a petrification counter on target creature. It gains defender and becomes a colorless artifact in addition to its other types. Its activated abilities can't be activated. (A creature with defender can't attack.)

Each land is a Forest in addition to its other land types.

Protection from Humans

Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.

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