Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Indestructible

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

Colossal Rattlewurm has flash as long as you control a Desert. Trample {1}{G}, Exile this card from your graveyard: Search your library for a Desert card, put it onto the battlefield tapped, then shuffle.

Trample As an additional cost to cast green permanent spells, you may pay 2 life. Those spells cost {G} less to cast if you paid life this way. This effect reduces only the amount of green mana you pay. Whenever you cast a green permanent spell, put a +1/+1 counter on each creature you control.

{T}: Add {G}.

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

You may play an additional land this turn. Draw a card.

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

{T}: Add {G}. Ferocious — {T}: Add {G}{G}{G}{G}. Activate only if you control a creature with power 4 or greater. Eternalize {2}{G}{G} ({2}{G}{G}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Snake Druid with no mana cost. Eternalize only as a sorcery.)

{T}: Add {G}.

Creature spells you cast with power 4 or greater cost {2} less to cast. Whenever Goreclaw attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn.

{T}: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of creature sources. Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna and untap it.

{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.)

{T}: Add {G}.

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

If you tap a permanent for mana, it produces twice as much of that mana instead.

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

Each creature that's attacking one of your opponents has trample. {G}, {T}: You may put a creature or Vehicle card from your hand onto the battlefield. If you put an artifact onto the battlefield this way, put two +1/+1 counters on it.

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

At the beginning of each player's draw step, that player draws an additional card. Each player may play an additional land on each of their turns.

Whenever you cast a creature spell with mana value 5 or greater, that creature enters with X additional +1/+1 counters on it, where X is its mana value minus 4. Creatures you control with three or more +1/+1 counters on them have haste. {T}: Add {G}.

Untap all permanents you control during each other player's untap step.

Whenever another creature enters, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

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

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

{T}: Add three mana of any one color. Spend this mana only to cast creature spells.

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

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

Whenever you cast a creature spell, draw a card.

Backup 3 (When this creature enters, put three +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.) Whenever this creature attacks, look at the top X cards of your library, where X is its power. You may put a permanent card with mana value X or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

When this enchantment enters, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.) Whenever a creature you control with power 4 or greater enters, draw a card.

Other creatures have "Whenever this creature attacks, you may have it fight Grothama, All-Devouring." When Grothama leaves the battlefield, each player draws cards equal to the amount of damage dealt to Grothama this turn by sources they controlled.

Draw three cards.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) When this creature enters, you gain 7 life. When this creature dies, draw a card.

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.

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.

Creatures you control have hexproof. {1}{G}: Regenerate target creature. (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

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

Reach, trample When this creature enters, you gain 5 life. {2}{G}, Exile this card from your graveyard: You gain 5 life.

Trample When this creature dies, create three 5/5 green Wurm creature tokens with trample. When Worldspine Wurm is put into a graveyard from anywhere, shuffle it into its owner's library.

You may have this creature assign its combat damage as though it weren't blocked.

{G}, {T}: You may put a creature card from your hand onto the battlefield.

Trample When this creature enters, if your life total is less than 7, your life total becomes 7. As long as you have 7 or more life, damage that would reduce your life total to less than 7 reduces it to 7 instead.

Creatures with flying can't attack you or planeswalkers you control. At the beginning of your end step, create a 5/5 green Wurm creature token.

Other tapped creatures you control have deathtouch. Other untapped creatures you control have hexproof. {1}, {T}: Untap another target creature or land you control.

{1}, {T}: Untap target creature that has an activated ability with {T} in its cost.

{T}: Untap target creature.