Llanowar Elves

Birchlore Rangers

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.)

Mass Hysteria

Essence Warden

Whenever another creature enters, you gain 1 life.

Gaea's Herald

Nettle Sentinel

Nettle Sentinel doesn't untap during your untap step.
Whenever you cast a green spell, you may untap Nettle Sentinel.

Heedless One

Trample
Heedless One's power and toughness are each equal to the number of Elves on the battlefield.

Eladamri, Lord of Leaves

Other Elf creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.)
Other Elves have shroud. (They can't be the targets of spells or abilities.)

Elvish Mystic

Fyndhorn Elves

Heritage Druid

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

Elvish Promenade

Create a 1/1 green Elf Warrior creature token for each Elf you control.

Elvish Pioneer

When Elvish Pioneer enters, you may put a basic land card from your hand onto the battlefield tapped.

Glimpse of Nature

Whenever you cast a creature spell this turn, draw a card.

Sprouting Vines

Search your library for a basic land card, reveal that card, put it into your hand, then shuffle.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Forest

Skyshroud Ranger

{T}: You may put a land card from your hand onto the battlefield. Activate only as a sorcery.