Compost

Whenever a black card is put into an opponent's graveyard from anywhere, you may draw a card.

Gempalm Strider

Cycling {2}{G}{G} ({2}{G}{G}, Discard this card: Draw a card.)
When you cycle Gempalm Strider, Elf creatures get +2/+2 until end of turn.

Coat of Arms

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Caller of the Claw

Flash
When Caller of the Claw enters, create a 2/2 green Bear creature token for each nontoken creature put into your graveyard from the battlefield this turn.

Gaea's Herald

Llanowar Elite

Kicker {8} (You may pay an additional {8} as you cast this spell.)
Trample
If Llanowar Elite was kicked, it enters with five +1/+1 counters on it.

Gaea's Cradle

{T}: Add {G} for each creature you control.

Viridian Shaman

When Viridian Shaman enters, destroy target artifact.

Elvish Vanguard

Whenever another Elf enters, put a +1/+1 counter on Elvish Vanguard.

Sylvan Messenger

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
When Sylvan Messenger enters, reveal the top four cards of your library. Put all Elf cards revealed this way into your hand and the rest on the bottom of your library in any order.

Elvish Archers

Llanowar Elves

Elvish Lookout

Shroud (This creature can't be the target of spells or abilities.)

Elvish Champion

Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Overrun

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)

Skyshroud Elite

Skyshroud Elite gets +1/+2 as long as an opponent controls a nonbasic land.

Forest

Pithing Needle

As Pithing Needle enters, choose a card name.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Elvish Warrior

Priest of Titania

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

Tormod's Crypt

{T}, Sacrifice Tormod's Crypt: Exile target player's graveyard.

Needle Storm

Needle Storm deals 4 damage to each creature with flying.

Worldly Tutor

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

Tribal Forcemage

Morph {1}{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.)
When Tribal Forcemage is turned face up, creatures of the creature type of your choice get +2/+2 and gain trample until end of turn.