Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Trample

Heavy Power Hammer -- Whenever Aberrant deals combat damage to a player, destroy target artifact or enchantment that player controls.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Vigilance

When Adaptive Sporesinger enters the battlefield, choose one --

• Target creature gets +2/+2 and gains vigilance until end of turn.

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

Put a +1/+1 counter on target creature. That creature gains reach until end of turn.

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

At the beginning of your upkeep, put a doom counter on Armageddon Clock.

At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player.

{4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.

When Armorcraft Judge enters the battlefield, draw a card for each creature you control with a +1/+1 counter on it.

Astral Cornucopia enters the battlefield with X charge counters on it.

{T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

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

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)

Creatures with power less than Battering Wurm's power can't block it.

Genomic Enhancement -- {T}: Add one mana of any color. If this mana is spent to cast a creature spell, that creature enters the battlefield with an additional +1/+1 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.)

{1}{G}: Regenerate Blight Mamba.

Reach (This creature can block creatures with flying.)

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

Choose one --

• Counter target red spell.

• Destroy target red permanent.

Whenever a creature you control with a +1/+1 counter on it deals combat damage to a player, you may draw a card.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Brood Telepathy -- When Broodlord enters the battlefield, distribute X +1/+1 counters among any number of other target creatures you control.

Destroy target artifact, enchantment, or creature with flying. If that permanent'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.)

When Cenote Scout enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Proclamator Hailer -- Each creature you control gets +1/+1 for each +1/+1 counter on it.

Counter target spell that targets a creature.

Draw a card.

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.)

When Contagious Vorrac enters the battlefield, look at the top four cards of your library. You may reveal a land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. If you didn't put a card into your hand this way, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever you're dealt combat damage, the attacking player gains control of Contested Game Ball and untaps it.

{2}, {T}: Draw a card and put a point counter on Contested Game Ball. Then if it has five or more point counters on it, sacrifice it and create a Treasure token.

Reach

{1}{G}, Sacrifice Copper Longlegs: 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.)

When Core Prowler dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Counter target spell.

{T}, Sacrifice a creature: Put a charge counter on Culling Dais.

{1}, Sacrifice Culling Dais: Draw a card for each charge counter on Culling Dais.

Graft 6 (This creature enters the battlefield with six +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

{G}: Target creature with a +1/+1 counter on it gains trample until end of turn.

Whenever an opponent plays a land, put a +1/+1 counter on Dirtcowl Wurm.

Counter target spell.

Draw a card.

Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

When Duskshell Crawler enters the battlefield, put a +1/+1 counter on target creature.

Each creature you control with a +1/+1 counter on it has trample.

Elusive Krasis can't be blocked.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

X can't be 0.

Target spell's controller exiles it with X delay counters on it.

At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell.

Counter target creature spell. Put a +1/+1 counter on up to one target creature you control.

Choose one --

• Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

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

• Target creature gains flying until end of turn.

Evolving Adaptive enters the battlefield with an oil counter on it.

Evolving Adaptive gets +1/+1 for each oil counter on it.

Whenever another creature enters the battlefield under your control, if that creature has greater power or toughness than Evolving Adaptive, put an oil counter on Evolving Adaptive.

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

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.

Flash

Flying

Whenever you draw your second card each turn, put a +1/+1 counter on Faerie Vandal.

As an additional cost to cast this spell, return a creature you control to its owner's hand.

Counter target spell.

Enchant creature

Whenever enchanted creature blocks or becomes blocked, you may put a +1/+1 counter on it.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Flash

When Frilled Mystic enters the battlefield, you may counter target spell.

Reach (This creature can block creatures with flying.)

Whenever Frostweb Spider blocks a creature with flying, put a +1/+1 counter on Frostweb Spider at end of combat.

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

Neurotraumal Rod -- Whenever a creature attacks you, it gets -1/-0 until end of turn.

Whenever a creature attacks one of your opponents, it gets +0/+1 until end of turn.

Genestealer's Kiss -- Whenever Genestealer Patriarch attacks, put an infection counter on target creature defending player controls.

Children of the Cult -- Whenever a creature with an infection counter on it dies, you create a token that's a copy of that creature, except it's a Tyranid in addition to its other types.

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.)

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

Whenever you cast an artifact spell, you may put a charge counter on Golem Foundry.

Remove three charge counters from Golem Foundry: Create a 3/3 colorless Golem artifact creature token.

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}

Rapacious Hunger -- Whenever another creature dies, put a +1/+1 counter on Haruspex.

Devouring Monster -- {T}, Remove X +1/+1 counters from Haruspex: Add X mana of any one color.

When a player casts a spell, sacrifice Hesitation and counter that spell.

Frenzied Metabolism -- As an additional cost to cast this spell, you may remove any number of +1/+1 counters from among creatures you control. This spell costs {2} less to cast for each counter removed this way.

Vigilance, reach, ward {2}

Titanic -- Hierophant Bio-Titan can't be blocked by creatures with power 2 or less.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Endless Swarm -- Whenever a land enters the battlefield under your control, you may pay {2}{G}. If you do, return Hormagaunt Horde from your graveyard to your hand.

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

Morbid -- Put three +1/+1 counters on that creature instead if a creature died this turn.

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

Whenever Ichorclaw Myr becomes blocked, it gets +2/+2 until end of turn.

Deathtouch

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

{T}: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead.

{3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

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

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Each creature you control with a +1/+1 counter on it has "{T}: Add one mana of any color."

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

{T}: Add {C}.

{4}, {T}: 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, you may put a quest counter on Khalni Heart Expedition.

Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

When Kiora's Dambreaker enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever you draw your second card each turn, put a +1/+1 counter on Knights of Dol Amroth.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Cycling {2}{G} ({2}{G}, Discard this card: Draw a card.)

When you cycle Krosan Tusker, you may search your library for a basic land card, reveal that card, put it into your hand, then shuffle. (Do this before you draw.)

Whenever you draw your second card each turn, put a +1/+1 counter on Lat-Nam Adept.

Amass 1. (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)

You and permanents you control gain hexproof until end of turn. (You and they can't be the targets of spells or abilities your opponents control.)

At the beginning of your upkeep, you may put a treasure counter on Legacy's Allure.

Sacrifice Legacy's Allure: Gain control of target creature with power less than or equal to the number of treasure counters on Legacy's Allure. (This effect lasts indefinitely.)

Reach

Whenever you cast a spell that targets Legolas, Master Archer, put a +1/+1 counter on Legolas.

Whenever you cast a spell that targets a creature you don't control, Legolas deals damage equal to its power to up to one target creature.

Llanowar Reborn enters the battlefield tapped.

{T}: Add {G}.

Graft 1 (This land enters the battlefield with a +1/+1 counter on it. Whenever a creature enters the battlefield, you may move a +1/+1 counter from this land onto it.)

Whenever you draw a card, put a +1/+1 counter on Lorescale Coatl.

Flying

Scavenge the Dead -- When Malanthrope enters the battlefield, exile target player's graveyard. Put a +1/+1 counter on Malanthrope for each creature card exiled this way.

Commander creatures you own have "This creature enters the battlefield with an additional +1/+1 counter on it" and "Other creatures you control enter the battlefield with an additional +1/+1 counter on them."

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.

Moss Diamond enters the battlefield tapped.

{T}: Add {G}.

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)

At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on Mycoloth.

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

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

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

Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield with an additional +1/+1 counter on it, then shuffle.

Strategic Coordinator -- Basic lands you control have "{T}: Add {C}{C}. Spend this mana only on costs that contain {X}."

Creatures you control get +2/+2 until end of turn. Whenever a creature blocks this turn, its controller gets a poison counter.

Enchant creature

Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Thassa.

When you sacrifice Ordeal of Thassa, draw two cards.

Creatures you control gain vigilance and trample until end of turn. Roll a d20.

1--9 | Creatures you control get +2/+2 until end of turn.

10--19 | Put two +1/+1 counters on each creature you control.

20 | Put four +1/+1 counters on each creature you control.

Phantom Wurm enters the battlefield with four +1/+1 counters on it.

If damage would be dealt to Phantom Wurm, prevent that damage. Remove a +1/+1 counter from Phantom Wurm.

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, create a 1/1 green Phyrexian Insect creature token with infect for each poison counter your opponents have.

Flying

When Pilgrim's Eye enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

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}.

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

When Pollenbright Druid enters the battlefield, choose one --

• Put a +1/+1 counter on target creature.

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

{T}, Remove a counter from a permanent you control: Choose one --

• Put a charge counter on target artifact.

• Put a +1/+1 counter on target creature.

Each opponent gets a poison counter.

Draw a card.

Purestrain Genestealer enters the battlefield with two +1/+1 counters on it.

Vanguard Species -- Whenever Purestrain Genestealer attacks, you may remove a +1/+1 counter from it. If you do, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Trample, haste

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 the end step, sacrifice Putrefax.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flash

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

When Ravener enters the battlefield, target creature attacks target opponent this turn if able.

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.)

Counter target creature spell.

Counter target spell. Untap up to four lands.

When Rishkar, Peema Renegade enters the battlefield, put a +1/+1 counter on each of up to two target creatures.

Each creature you control with a counter on it has "{T}: Add {G}."

When River Herald Scout enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Rushwood Grove enters the battlefield tapped.

{T}: Put a storage counter on Rushwood Grove.

{T}, Remove any number of storage counters from Rushwood Grove: Add {G} for each storage counter removed this way.

At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on Sabertooth Mauler and untap it.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.

Defender

{6}{G/U}{G/U}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

As long as Scuttlegator has a +1/+1 counter on it, it can attack as though it didn't have defender.

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Deathtouch

Return target nonland permanent to its owner's hand. If that permanent had mana value 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{1}{G}{U}: Put a +1/+1 counter on target creature you control.

Whenever one or more +1/+1 counters are put on a creature you control, put that many growth counters on Simic Ascendancy.

At the beginning of your upkeep, if Simic Ascendancy has twenty or more growth counters on it, you win the game.

{1}{G}{U}: Put a +1/+1 counter on target creature you control.

Whenever one or more +1/+1 counters are put on a creature you control, put that many growth counters on Simic Ascendancy.

At the beginning of your upkeep, if Simic Ascendancy has twenty or more growth counters on it, you win the game.

Graft 3 (This creature enters the battlefield with three +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

{1}{G}: Until end of turn, target creature with a +1/+1 counter on it gains "Whenever this creature deals combat damage to a creature, destroy that creature at end of combat."

Choose one --

• Target creature gets +3/+3 until end of turn.

• Permanents you control gain hexproof until end of turn.

• Return target creature to its owner's hand.

Simic Growth Chamber enters the battlefield tapped.

When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand.

{T}: Add {G}{U}.

Simic Guildgate enters the battlefield tapped.

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

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

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Flash

Enrage -- Whenever Snapping Sailback is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.)

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

Spike Breeder enters the battlefield with three +1/+1 counters on it.

{2}, Remove a +1/+1 counter from Spike Breeder: Put a +1/+1 counter on target creature.

{2}, Remove a +1/+1 counter from Spike Breeder: Create a 1/1 green Spike creature token.

Spike Feeder enters the battlefield with two +1/+1 counters on it.

{2}, Remove a +1/+1 counter from Spike Feeder: Put a +1/+1 counter on target creature.

Remove a +1/+1 counter from Spike Feeder: You gain 2 life.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Defender

Spore Chimney -- When Sporocyst enters the battlefield, search your library for up to X basic land cards, put them onto the battlefield tapped, then shuffle.

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

Draw a card.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

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}

Whenever you draw a card, put a loyalty counter on Teferi, Temporal Pilgrim.

0: Draw a card.

-2: Create a 2/2 blue Spirit creature token with vigilance and "Whenever you draw a card, put a +1/+1 counter on this creature."

-12: Target opponent chooses a permanent they control and returns it to its owner's hand. Then they shuffle each nonland permanent they control into its owner's library.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Death Frenzy -- When Termagant Swarm dies, create a number of 1/1 green Tyranid creature tokens equal to Termagant Swarm's power.

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

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Trample

Spawn Termagants -- Whenever Tervigon deals combat damage to a player, create that many 1/1 green Tyranid creature tokens.

({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.)

At the beginning of your upkeep, put a spore counter on Thallid.

Remove three spore counters from Thallid: Create a 1/1 green Saproling creature token.

At the beginning of your upkeep, put a spore counter on Thallid Devourer.

Remove three spore counters from Thallid Devourer: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Thallid Devourer gets +1/+2 until end of turn.

At the beginning of your upkeep, put a spore counter on Thallid Germinator.

Remove three spore counters from Thallid Germinator: Create a 1/1 green Saproling creature token.

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

Defender

At the beginning of your upkeep, put a spore counter on Thallid Shell-Dweller.

Remove three spore counters from Thallid Shell-Dweller: Create a 1/1 green Saproling creature token.

At the beginning of your upkeep, sacrifice Thelon's Chant unless you pay {G}.

Whenever a player puts a Swamp onto the battlefield, Thelon's Chant deals 3 damage to that player unless the player puts a -1/-1 counter on a creature they control.

Choose one --

• Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

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

You have no maximum hand size.

{T}: Add {C}.

Put a +1/+1 counter on each of X target creatures.

{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.)

When Timberland Guide enters the battlefield, put a +1/+1 counter on target creature.

At the beginning of your upkeep, put a time counter on Time Bomb.

{1}, {T}, Sacrifice Time Bomb: Time Bomb deals damage equal to the number of time counters on it to each creature and each player.

Reach, deathtouch

Hypertoxic Miasma -- All lands have "{T}: Add one mana of any color" and lose all other abilities.

Trigon of Thought enters the battlefield with three charge counters on it.

{U}{U}, {T}: Put a charge counter on Trigon of Thought.

{2}, {T}, Remove a charge counter from Trigon of Thought: Draw a card.

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.)

Subterranean Assault -- Whenever Trygon Prime attacks, put a +1/+1 counter on it and a +1/+1 counter on up to one other target attacking creature. That creature can't be blocked this turn.

Outlast {G} ({G}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)

Each creature you control with a +1/+1 counter on it has trample.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Synapse Creature -- Other creatures you control have evolve.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Shieldwall -- Sacrifice Tyrant Guard: Creatures you control with counters on them gain hexproof and indestructible until end of turn.

Enchant creature

Enchanted creature gets +3/+3.

At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

Search your library for a basic land card, put that card onto the battlefield, then shuffle.

Vigilance

Enrage -- Whenever Urban Daggertooth is dealt damage, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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.

Toxic 3 (Players dealt combat damage by this creature also get three poison counters.)

When Venomous Brutalizer enters the battlefield, you may pay {1}{G}. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying, deathtouch, hexproof

Graft 2 (This creature enters the battlefield with two +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

{1}{U}: Untap target creature with a +1/+1 counter on it.

Graft 5 (This creature enters the battlefield with five +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

Vigean Hydropon can't attack or block.

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.)

Create a 3/3 green Phyrexian Beast creature token with toxic 1. (Players dealt combat damage by it also get a poison counter.)

Corrupted -- As long as an opponent has three or more poison counters and Viral Spawning is in your graveyard, it has flashback {2}{G}. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

When Viridian Corrupter enters the battlefield, destroy target artifact.

At the beginning of your upkeep, put a spore counter on Vitaspore Thallid.

Remove three spore counters from Vitaspore Thallid: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Target creature gains haste until end of turn.

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

Flying

Watchful Blisterzoa enters the battlefield with an oil counter on it.

When Watchful Blisterzoa dies, draw cards equal to the number of oil counters on it.

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Wildwood Scourge enters the battlefield with X +1/+1 counters on it.

Whenever one or more +1/+1 counters are put on another non-Hydra creature you control, put a +1/+1 counter on Wildwood Scourge.

{G}{U}: This turn, each creature you control enters the battlefield with an additional +1/+1 counter on it.

{G}{U}, Remove a +1/+1 counter from a creature you control: Draw a card.