Nut Collector

At the beginning of your upkeep, you may create a 1/1 green Squirrel creature token.
Threshold — All Squirrels get +2/+2 as long as seven or more cards are in your graveyard.

Llanowar Elves

Howl of the Night Pack

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

Oakgnarl Warrior

Moss Diamond

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

Wild Growth

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

Treefolk Seedlings

Treefolk Seedlings's toughness is equal to the number of Forests you control.

Bosk Banneret

Treefolk spells and Shaman spells you cast cost {1} less to cast.

Cloudcrown Oak

Reach (This creature can block creatures with flying.)

Squirrel Mob

Squirrel Mob gets +1/+1 for each other Squirrel on the battlefield.

Crown of Vigor

Enchant creature
Enchanted creature gets +1/+1.
Sacrifice Crown of Vigor: Enchanted creature and other creatures that share a creature type with it get +1/+1 until end of turn.

Giant Growth

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

Brawn

Trample
As long as Brawn is in your graveyard and you control a Forest, creatures you control have trample.

Forest

Deep Reconnaissance

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Flashback {4}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Plummet

Silverback Shaman

Trample
When Silverback Shaman dies, draw a card.

Squirrel Nest

Enchant land
Enchanted land has "{T}: Create a 1/1 green Squirrel creature token."

Naturalize

Pelakka Wurm

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