Wayfarer's Bauble

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Elvish Lyrist

{G}, {T}, Sacrifice this creature: Destroy target enchantment.

Wirewood Pride

Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.

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.)

Prevent all combat damage that would be dealt this turn.

Three Visits

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

Earthcraft

Tap an untapped creature you control: Untap target basic land.

Kaysa

Vernal Bloom

Whenever a Forest is tapped for mana, its controller adds an additional {G}.

People of the Woods

People of the Woods's toughness is equal to the number of Forests you control.

An-Havva Inn

You gain X plus 1 life, where X is the number of green creatures on the battlefield.

Yavimaya, Cradle of Growth

Each land is a Forest in addition to its other land types.

Elvish Archers

Elvish Piper

{G}, {T}: You may put a creature card from your hand onto the battlefield.

Nature's Cloak

Green creatures you control gain forestwalk until end of turn. (They can't be blocked as long as defending player controls a Forest.)

Fierce Empath

When this creature enters, you may search your library for a creature card with mana value 6 or greater, reveal it, put it into your hand, then shuffle.

Elvish Guidance

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G} for each Elf on the battlefield.

Recycle

Skip your draw step.
Whenever you play a card, draw a card.
Your maximum hand size is two.

Carpet of Flowers

At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.

Sol Ring

Seeker of Skybreak

Nature's Lore

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

Elvish Champion

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

Wood Elves

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

Elvish Vanguard

Whenever another Elf enters, put a +1/+1 counter on this creature.

Gamekeeper

When this creature dies, you may exile it. If you do, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and put all other cards revealed this way into your graveyard.

Norwood Priestess

{T}: You may put a green creature card from your hand onto the battlefield. Activate only during your turn, before attackers are declared.

Timberwatch Elf

{T}: Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.

Elven Riders

This creature can't be blocked except by Walls and/or creatures with flying.

Mobilize

Tireless Provisioner

Landfall — Whenever a land you control enters, create a Food token or a Treasure token. (Food is an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life." Treasure is an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Bloodline Shaman

{T}: Choose a creature type. Reveal the top card of your library. If that card is a creature card of the chosen type, put it into your hand. Otherwise, put it into your graveyard.

Seedtime

Cast this spell only during your turn.
Take an extra turn after this one if an opponent cast a blue spell this turn.

Alpha Status

Enchant creature
Enchanted creature gets +2/+2 for each other creature on the battlefield that shares a creature type with it.

Beast Whisperer

Whenever you cast a creature spell, draw a card.

Emerald Medallion

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

Fyndhorn Elves

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Gaea's Cradle

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

Wirewood Channeler

{T}: Add X mana of any one color, where X is the number of Elves on the battlefield.

Fyndhorn Elder

Forest

Nature's Claim

Destroy target artifact or enchantment. Its controller gains 4 life.

Crop Rotation

As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, then shuffle.

Heart Warden

{T}: Add {G}.
{2}, Sacrifice this creature: Draw a card.

Wirewood Hivemaster

Whenever another nontoken Elf enters, you may create a 1/1 green Insect creature token.

Llanowar Elves

Skyshroud Ranger

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

Elvish Pioneer

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

Voice of the Woods

Tap five untapped Elves you control: Create a 7/7 green Elemental creature token with trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Abundance

If you would draw a card, you may instead choose land or nonland and reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and put all other cards revealed this way on the bottom of your library in any order.

Priest of Titania

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

Elvish Warrior

Argothian Elder

Llanowar Tribe

Llanowar Druid

{T}, Sacrifice this creature: Untap all Forests.

Elvish Scrapper

{G}, {T}, Sacrifice this creature: Destroy target artifact.

Vitalize

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.)

Rogue's Passage

{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.

Wellwisher

{T}: You gain 1 life for each Elf on the battlefield.

Elvish Scout

{G}, {T}: Untap target attacking creature you control. Prevent all combat damage that would be dealt to and dealt by it this turn.