Forest

Giant Growth

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

Whenever a player casts a green spell, you may gain 1 life.

When Wood Elves enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Green spells you cast cost {1} less to cast.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

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

As Quirion Elves enters, choose a color.
{T}: Add {G}.
{T}: Add one mana of the chosen color.

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