Rampant Growth

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

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.")

Delighted Killbot

Grizzly Fate

Create two 2/2 green Bear creature tokens.
Threshold — Create four 2/2 green Bear creature tokens instead if seven or more cards are in your graveyard.
Flashback {5}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Elvish Mystic

Verdant Force

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Barbtooth Wurm

Kalonian Tusker

Runeclaw Bear

Renata, Called to the Hunt

Renata's power is equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)
Each other creature you control enters with an additional +1/+1 counter on it.

Ruxa, Patient Professor

Whenever Ruxa, Patient Professor enters 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.

Panther Warriors

Fresh Meat

Create a 3/3 green Beast creature token for each creature put into your graveyard from the battlefield this turn.

Forest

Gaea's Anthem

Explosive Vegetation

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

Llanowar Elves

Enormous Baloth

Curious Killbot

Norwood Ranger

Howl of the Night Pack

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

Terrain Elemental

Woodland Druid

Aspect of Hydra

Target creature gets +X/+X until end of turn, where X is your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

Blanchwood Treefolk

Willow Elf

Lignify

Enchant creature
Enchanted creature is a Treefolk with base power and toughness 0/4 and loses all abilities.

Ancient Brontodon

Heraldic Banner

As Heraldic Banner enters, choose a color.
Creatures you control of the chosen color get +1/+0.
{T}: Add one mana of the chosen color.

Gigantosaurus

Karametra's Acolyte

{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.)

Orazca Frillback

Cultivate

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.

Rumbling Baloth

Cylian Elf

Wild Growth

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

Overrun

Creatures you control get +3/+3 and gain trample until end of turn.

Balduvian Bears

Curious Herd

Choose target opponent. You create X 3/3 green Beast creature tokens, where X is the number of artifacts that player controls.

Prevent all combat damage that would be dealt this turn.

Gnarled Mass

Murasa Brute

Colossification

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

Palladium Myr

Despondent Killbot

Primal Bellow

Target creature gets +1/+1 until end of turn for each Forest you control.

Dragon Throne of Tarkir

Equipped creature has defender and "{2}, {T}: Other creatures you control gain trample and get +X/+X until end of turn, where X is this creature's power."
Equip {3}

Muraganda Petroglyphs

Leatherback Baloth

Skyreaping

Skyreaping deals damage to each creature with flying equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

Enraged Killbot

Swordwise Centaur

Vitalizing Wind

Creatures you control get +7/+7 until end of turn.

Dense Canopy

Creatures with flying can block only creatures with flying.

Trained Armodon

Alpine Grizzly

Garruk's Gorehorn

Overwhelming Stampede

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

Elvish Ranger

Grizzly Bears

Gorilla Warrior

Keeper of Fables

Whenever one or more non-Human creatures you control deal combat damage to a player, draw a card.

Dawntreader Elk

{G}, Sacrifice Dawntreader Elk: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Whiptail Wurm

Aid from the Cowl

Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, reveal the top card of your library. If it's a permanent card, you may put it onto the battlefield. Otherwise, you may put it on the bottom of your library.