Green Mana Battery

{2}, {T}: Put a charge counter on Green Mana Battery.
{T}, Remove any number of charge counters from Green Mana Battery: Add {G}, then add an additional {G} for each charge counter removed this way.

Elven Riders

Elven Riders can't be blocked except by Walls and/or creatures with flying.

Ironroot Treefolk

Winter Blast

Tap X target creatures. Winter Blast deals 2 damage to each of those creatures with flying.

Crumble

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.

Giant Growth

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

Desert Twister

Force of Nature

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
At the beginning of your upkeep, Force of Nature deals 8 damage to you unless you pay {G}{G}{G}{G}.

Wanderlust

Enchant creature
At the beginning of the upkeep of enchanted creature's controller, Wanderlust deals 1 damage to that player.

Stream of Life

Verduran Enchantress

Whenever you cast an enchantment spell, you may draw a card.

Lure

Enchant creature
All creatures able to block enchanted creature do so.

Untamed Wilds

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

Llanowar Elves

Radjan Spirit

{T}: Target creature loses flying until end of turn.

Jayemdae Tome

Wild Growth

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

Elvish Archers

Shanodin Dryads

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

War Mammoth

Giant Spider

Reach (This creature can block creatures with flying.)

Sandstorm

Sandstorm deals 1 damage to each attacking creature.

Grizzly Bears

Wooden Sphere

Whenever a player casts a green spell, you may pay {1}. If you do, you gain 1 life.

Venom

Enchant creature
Whenever enchanted creature blocks or becomes blocked by a non-Wall creature, destroy the other creature at end of combat.

Craw Wurm

Forest

Gaea's Liege

As long as Gaea's Liege isn't attacking, its power and toughness are each equal to the number of Forests you control. As long as Gaea's Liege is attacking, its power and toughness are each equal to the number of Forests defending player controls.
{T}: Target land becomes a Forest until Gaea's Liege leaves the battlefield.

Thicket Basilisk

Whenever Thicket Basilisk blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Tsunami

Killer Bees

Flying
{G}: Killer Bees gets +1/+1 until end of turn.

Prevent all combat damage that would be dealt this turn.

Hurricane

Hurricane deals X damage to each creature with flying and each player.

Whirling Dervish

Protection from black
At the beginning of each end step, if Whirling Dervish dealt damage to an opponent this turn, put a +1/+1 counter on it.

Dancing Scimitar

Flying (This creature can't be blocked except by creatures with flying or reach.)

Tranquility

Aspect of Wolf

Enchant creature
Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.

Living Lands

All Forests are 1/1 creatures that are still lands.

Lifeforce

Cockatrice

Flying
Whenever Cockatrice blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Sylvan Library

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.

Birds of Paradise

Carnivorous Plant

Regeneration

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
{G}: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)