Enormous Baloth

Gigantosaurus

Naturalize

Fyndhorn Elves

Wild Growth

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

Nyxborn Colossus

Rumbling Baloth

Barbtooth Wurm

Scale Up

Until end of turn, target creature you control becomes a green Wurm with base power and toughness 6/4.
Overload {4}{G}{G} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Exponential Growth

Until end of turn, double target creature's power X times.

Colossification

Enchant creature
When Colossification enters the battlefield, tap enchanted creature.
Enchanted creature gets +20/+20.

Rampaging Baloths

Trample
Landfall — Whenever a land enters the battlefield under your control, you may create a 4/4 green Beast creature token.

Desolation Twin

When you cast this spell, create a 10/10 colorless Eldrazi creature token.

Runeclaw Bear

Llanowar Elves

Tower Defense

Creatures you control get +0/+5 and gain reach until end of turn.

Bellowing Tanglewurm

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Other green creatures you control have intimidate.

Quilled Slagwurm

Prodigious Growth

Enchant creature
Enchanted creature gets +7/+7 and has trample.

Balduvian Bears

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

Rampant Growth

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

Regrowth

Return target card from your graveyard to your hand.

Paradox Zone

Paradox Zone enters the battlefield with a growth counter on it.
At the beginning of your end step, double the number of growth counters on Paradox Zone. Then create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of growth counters on Paradox Zone.

Slime Molding

Bear Umbra

Enchant creature
Enchanted creature gets +2/+2 and has "Whenever this creature attacks, untap all lands you control."
Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Ancient Brontodon

Wrap in Vigor

Vorstclaw

Grizzly Bears

Miming Slime

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

Rhonas's Monument

Green creature spells you cast cost {1} less to cast.
Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn.

Howl of the Night Pack

Create a 2/2 green Wolf creature token for each Forest you control.

Sandwurm Convergence

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.

Prevent all combat damage that would be dealt this turn.

Muraganda Petroglyphs

Moss Diamond

Moss Diamond enters the battlefield tapped.
{T}: Add {G}.

Battlegrowth

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}

Primordial Wurm

Giant Growth

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

Leatherback Baloth

Forest

Acidic Slime

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.

Broodhunter Wurm

Ruxa, Patient Professor

Whenever Ruxa, Patient Professor enters the battlefield or attacks, return target creature card with no abilities from your graveyard to your hand.
Creatures you control with no abilities get +1/+1.
For each creature you control with no abilities, you may have that creature assign its combat damage as though it weren't blocked.