Tap two untapped Elves you control: Add one mana of any color. Morph {G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{T}: Add {G}.

When this creature enters, draw a card.

When this creature enters, you may return target card from your graveyard to your hand.

Tap three untapped Elves you control: Add {G}{G}{G}.

{T}: Add {G}.

This creature doesn't untap during your untap step. Whenever you cast a green spell, you may untap this creature.

Tap four untapped creatures you control: Destroy target artifact or enchantment.

Flying, haste Devour 2 (As this creature enters, you may sacrifice any number of creatures. It enters with twice that many +1/+1 counters on it.)

{T}: Add {G} for each Elf on the battlefield.

When this creature enters, draw a card for each green creature you control.

Target player mills three cards. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

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.) Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

({T}: Add {G}.)