Terramorphic Expanse

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Garruk, Primal Hunter

+1: Create a 3/3 green Beast creature token.
−3: Draw cards equal to the greatest power among creatures you control.
−6: Create a 6/6 green Wurm creature token for each land you control.

Defense of the Heart

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.

Arachnogenesis

Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures.

Pelakka Wurm

Trample
When Pelakka Wurm enters, you gain 7 life.
When Pelakka Wurm dies, draw a card.

Panglacial Wurm

Trample
While you're searching your library, you may cast Panglacial Wurm from your library.

Hornet Nest

Defender (This creature can't attack.)
Whenever Hornet Nest is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Familiar Ground

Each creature you control can't be blocked by more than one creature.

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.

Forest

Wurmcalling

Buyback {2}{G} (You may pay an additional {2}{G} as you cast this spell. If you do, put this card into your hand as it resolves.)
Create an X/X green Wurm creature token.

Argothian Wurm

Trample
When Argothian Wurm enters, any player may sacrifice a land. If a player does, put Argothian Wurm on top of its owner's library.

Vernal Bloom

Whenever a Forest is tapped for mana, its controller adds an additional {G}.

Dramatic Entrance

You may put a green creature card from your hand onto the battlefield.

Sol Ring

Penumbra Wurm

Trample
When Penumbra Wurm dies, create a 6/6 black Wurm creature token with trample.

Unnatural Growth

At the beginning of each combat, double the power and toughness of each creature you control until end of turn.

Bramble Wurm

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