Have

Incremental Growth

Put a +1/+1 counter on target creature, two +1/+1 counters on another target creature, and three +1/+1 counters on a third target creature.

Worldly Tutor

Search your library for a creature card, reveal it, then shuffle and put the card on top.

Preposterous Proportions

Creatures you control get +10/+10 and gain vigilance until end of turn.

Prevent all combat damage that would be dealt this turn.

Duskdale Wurm

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Colossal Dreadmaw

Impervious Greatwurm

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

Elvish Piper

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

Wurmweaver Coil

Enchant green creature
Enchanted creature gets +6/+6.
{G}{G}{G}, Sacrifice this Aura: Create a 6/6 green Wurm creature token.

Garruk's Uprising

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.

Getting

Worldspine Wurm

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.

Quakestrider Ceratops

Reclaim the Wastes

Kicker {3} (You may pay an additional {3} as you cast this spell.)
Search your library for a basic land card, reveal it, put it into your hand, then shuffle. If this spell was kicked, search your library for two basic land cards instead of one.

Sifter Wurm

Trample
When this creature enters, scry 3, then reveal the top card of your library. You gain life equal to that card's mana value.

Sol Ring

Revive

Return target green card from your graveyard to your hand.

Terra Stomper

This spell can't be countered.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Llanowar Visionary

When this creature enters, draw a card.
{T}: Add {G}.

Llanowar Elves

Forest

Seek the Horizon

Search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Giant Ankheg

Trample
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
Other creatures you control have trample and ward {2}.

Elvish Mystic

Terramorphic Expanse

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

Evolving Wilds

Naturalize

Staff of the Wild Magus

Whenever you cast a green spell or a Forest you control enters, you gain 1 life.