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

When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

Storm (When you cast this spell, copy it for each spell cast before it this turn. Copies become tokens.)

Aeve, Progenitor Ooze isn't legendary if it's a token.

Aeve enters the battlefield with a +1/+1 counter on it for each other Ooze you control.

Ancient Ooze's power and toughness are each equal to the total mana value of other creatures you control.

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

Whenever you cast a creature spell, draw a card.

When Biogenic Ooze enters the battlefield, create a 2/2 green Ooze creature token.

At the beginning of your end step, put a +1/+1 counter on each Ooze you control.

{1}{G}{G}{G}: Create a 2/2 green Ooze creature token.

Whenever Bioplasm attacks, exile the top card of your library. If it's a creature card, Bioplasm gets +X/+Y until end of turn, where X is the exiled creature card's power and Y is its toughness.

Oozes you control get +1/+1.

At the beginning of your upkeep, if you control a commander, create a token that's a copy of Biowaste Blob.

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

As Caged Sun enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+1.

Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

Changeling (This card is every creature type.)

Protection from black

{2}{G}{G}: Chameleon Colossus gets +X/+X until end of turn, where X is its power.

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

Sacrifice Commander's Sphere: Draw a card.

Consuming Blob's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1.

At the beginning of your end step, create a green Ooze creature token with "This creature's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1."

Whenever Corrosive Ooze blocks or becomes blocked by an equipped creature, destroy all Equipment attached to that creature at end of combat.

Target player untaps all basic lands they control.

Whenever a creature with power 3 or greater enters the battlefield under your control, draw a card.

{T}: Add {G}.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

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.)

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.)

Remove two +1/+1 counters from Experiment One: Regenerate Experiment One.

({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}.)

({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}.)

({T}: Add {G}.)

{T}: Add {G}.

When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card.

Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.)

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.

Create X X/X green Ooze creature tokens.

At the beginning of combat on your turn, choose one --

• Creatures you control get +1/+1 and gain trample until end of turn.

• Target land gains "{T}: Add {G}{G}{G}" until end of turn.

• Draw a card if you control a creature with power 3 or greater.

• You gain 3 life.

Flash

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

{G}, Sacrifice another creature: Put a +1/+1 counter on Gobbling Ooze.

Whenever a nontoken creature you control dies, put a slime counter on Gutter Grime, then create a green Ooze creature token with "This creature's power and toughness are each equal to the number of slime counters on Gutter Grime."

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

Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Delirium -- Whenever Inexorable Blob attacks, if there are four or more card types among cards in your graveyard, create a 3/3 green Ooze creature token that's tapped and attacking.

The next creature spell you cast this turn can't be countered.

Draw a card.

Target creature must be blocked this turn if able.

Draw a card.

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.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Destroy target artifact or enchantment.

At the beginning of your upkeep, scry 1.

Whenever you cast a creature spell, you may pay {G}. If you do, draw a card.

{T}: Add {G}.

Whenever you cast a spell, Manaplasm gets +X/+X until end of turn, where X is that spell's mana value.

Changeling (This card is every creature type.)

When Masked Vandal enters the battlefield, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

Create an X/X green Ooze creature token, where X is the greatest power among creatures you control.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

When Mitotic Slime dies, create two 2/2 green Ooze creature tokens. They have "When this creature dies, create two 1/1 green Ooze creature tokens."

Moss Diamond enters the battlefield tapped.

{T}: Add {G}.

Destroy target artifact or enchantment. Its controller gains 4 life.

Indestructible

As long as your devotion to green is less than five, Nylea isn't a creature.

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

{2}{G}: Reveal the top card of your library. If it's a creature card, put it into your hand. Otherwise, you may put it into your graveyard.

Trample

Ochre Jelly enters the battlefield with X +1/+1 counters on it.

Split -- When Ochre Jelly dies, if it had two or more +1/+1 counters on it, create a token that's a copy of it at the beginning of the next end step. The token enters the battlefield with half that many +1/+1 counters on it, rounded down.

{1}{G}, Remove one or more +1/+1 counters from among creatures you control: Create an X/X green Ooze creature token, where X is the number of +1/+1 counters removed this way.

When Oran-Rief Ooze enters the battlefield, put a +1/+1 counter on target creature you control.

Whenever Oran-Rief Ooze attacks, put a +1/+1 counter on each attacking creature with a +1/+1 counter on it.

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

Indestructible

Whenever Predator Ooze attacks, put a +1/+1 counter on it.

Whenever a creature dealt damage by Predator Ooze this turn dies, put a +1/+1 counter on Predator Ooze.

Whenever you cast a creature spell, you may draw a card.

Ravenous Slime can't be blocked by creatures with power 2 or less.

If a creature an opponent controls would die, instead exile it and put a number of +1/+1 counters equal to that creature's power on Ravenous Slime.

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Choose one --

• Draw cards equal to the greatest power among non-Human creatures you control.

• Non-Human creatures you control get +3/+3 until end of turn.

Choose one --

• Destroy target artifact.

• Destroy target enchantment.

• Exile target card from a graveyard.

Draw cards equal to the greatest power among creatures you control.

You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

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}."

This spell can't be countered.

The next creature spell you cast this turn can be cast as though it had flash. That spell can't be countered. That creature enters the battlefield with an additional +1/+1 counter on it.

{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.

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

Suspend 2--{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

For each token you control, create a token that's a copy of that permanent.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

Slurrk, All-Ingesting enters the battlefield with five +1/+1 counters on it.

Whenever Slurrk or another creature you control dies, if it had a +1/+1 counter on it, put a +1/+1 counter on each creature you control that has a +1/+1 counter on it.

Partner (You can have two commanders if both have partner.)

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

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I, II -- Until your next turn, creatures you control gain "{T}: Add one mana of any color."

III -- Put a +1/+1 counter on each creature you control. Those creatures gain vigilance, trample, and indestructible until end of turn.

Trample

Whenever another nontoken creature enters the battlefield under your control, you may draw a card.

{4}{G}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

When Splitting Slime becomes monstrous, create a token that's a copy of Splitting Slime. (The token has no counters and isn't monstrous.)

Search your library for a green creature card, reveal it, put it into your hand, then shuffle.

At the beginning of your next upkeep, pay {2}{G}{G}. If you don't, you lose the game.

Green creatures you control get +1/+1.

Whenever a green creature enters the battlefield under your control, scry 1.

At the beginning of each combat, double the power and toughness of each creature you control until end of turn.