As this artifact enters, 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.

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.

You may play an additional land on each of your turns.

{T}: Add an amount of {G} equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

You don't lose unspent green mana as steps and phases end. Omnath gets +1/+1 for each unspent green mana you have.

Creatures with power less than this creature's power can't block creatures you control. Whenever another creature you control enters, put a +1/+1 counter on this creature.

Haste When this creature enters, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) When this creature enters, destroy target artifact, enchantment, or land.

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

When this creature enters, 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.

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 this creature.

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 token'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."

Evolve (Whenever a creature you control enters, 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 this creature: Regenerate it. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

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

Flash When this creature enters, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent. Foretell {G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Delirium — Whenever this creature 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.

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

Creatures you control have base power and toughness 6/6 and are Oozes in addition to their other types. Whenever an opponent casts a spell, if it's not their turn, you create a 3/3 green Elephant creature token.

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

Trample This creature enters with X +1/+1 counters on it. Split — When this creature 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 with half that many +1/+1 counters on it, rounded down.

When this creature enters, put a +1/+1 counter on target creature you control. Whenever this creature attacks, put a +1/+1 counter on each attacking creature with a +1/+1 counter on it.

This creature 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 this creature.

Create a 0/0 green Ooze creature token with trample. Put X +1/+1 counters on it, where X is two plus the total number of cards you own in exile and in your graveyard that are Oozes or are named Slime Against Humanity. A deck can have any number of cards named Slime Against Humanity.

{4}{G}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, create a token that's a copy of this creature. (The token has no counters and isn't monstrous.)

Whenever you cast a creature spell, draw a card.

This land enters tapped unless you control a Forest. {T}: Add {G}. {2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures.

All creatures have haste.

Vigilance At the beginning of your end step, you may return another creature you control to its owner's hand, then put a number of +1/+1 counters equal to that creature's power on this creature.

This land enters tapped. {T}: Add {G}. {T}: Put a +1/+1 counter on each green creature that entered this turn.

At the beginning of your upkeep, return a creature you control to its owner's hand.

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

Trample At the beginning of your upkeep, return a green creature you control to its owner's hand.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) At the beginning of your upkeep, return a green creature you control to its owner's hand.

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

Indestructible (Damage and effects that say "destroy" don't destroy this creature.) Whenever this creature attacks, put a +1/+1 counter on it. Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.

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

({T}: Add {G}.)

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

This land enters tapped. {T}: Add {G}. Graft 1 (This land enters with a +1/+1 counter on it. Whenever a creature enters, you may move a +1/+1 counter from this land onto it.)

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

{T}: Put a charge counter on this artifact. {T}: Each player draws a card for each charge counter on this artifact.

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

Trample Whenever another nontoken creature you control enters, you may draw a card.

Look at the top three cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {G}.

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

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) This artifact enters with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on this artifact.

You may sacrifice a nontoken green creature rather than pay this spell's mana cost. 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.

If it's not your turn, you may exile a green card from your hand rather than pay this spell's mana cost. Destroy up to two target artifacts and/or enchantments.

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

{T}: Add {G}.

If you control a commander, you may cast this spell without paying its mana cost. Prevent all damage that would be dealt this turn by creatures your opponents control.

Enchant creature Whenever enchanted creature deals combat damage to a player, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flying

As this artifact enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.

Whenever a creature card is put into an opponent's graveyard from anywhere, you gain 1 life.

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put this artifact on top of its owner's library.

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

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

Equipped creature gets +1/+1 for each other creature you control that shares a creature type with it. Equip {2}

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)