Getting

Wood Elves

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

Bramblewood Paragon

Each other Warrior creature you control enters with an additional +1/+1 counter on it.
Each creature you control with a +1/+1 counter on it has trample.

Prevent all combat damage that would be dealt this turn.

Proxy

Elvish Promenade

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

Wellwisher

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

Elvish Vanguard

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

Wren's Run Vanquisher

As an additional cost to cast this spell, reveal an Elf card from your hand or pay {3}.
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Wrap in Vigor

Noxious Revival

({G/P} can be paid with either {G} or 2 life.)
Put target card from a graveyard on top of its owner's library.

Have

Priest of Titania

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

Jagged-Scar Archers

Jagged-Scar Archers's power and toughness are each equal to the number of Elves you control.
{T}: This creature deals damage equal to its power to target creature with flying.

Gaea's Cradle

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

Farhaven Elf

When this creature enters, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Elvish Archdruid

Other Elf creatures you control get +1/+1.
{T}: Add {G} for each Elf you control.

Collective Unconscious

Draw a card for each creature you control.

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.)

Heedless One

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

Elvish Lyrist

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

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.)

Tangle

Prevent all combat damage that would be dealt this turn.
Each attacking creature doesn't untap during its controller's next untap step.

Don't Have

Elvish Scrapper

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

Gilt-Leaf Ambush

Create two 1/1 green Elf Warrior creature tokens. Clash with an opponent. If you win, those creatures gain deathtouch until end of turn. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value. Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Essence Warden

Whenever another creature enters, you gain 1 life.

Glistener Elf

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Heart Warden

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

Lys Alana Bowmaster

Reach
Whenever you cast an Elf spell, you may have this creature deal 2 damage to target creature with flying.

Ezuri, Renegade Leader

{G}: Regenerate another target Elf.
{2}{G}{G}{G}: Elf creatures you control get +3/+3 and gain trample until end of turn.

Llanowar Elves

Copperhorn Scout

Whenever this creature attacks, untap each other creature you control.

Sylvan Messenger

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

Gaea's Herald

Arbor Elf

Glissa Sunseeker

First strike
{T}: Destroy target artifact if its mana value is equal to the amount of unspent mana you have.

Imperious Perfect

Other Elves you control get +1/+1.
{G}, {T}: Create a 1/1 green Elf Warrior creature token.

Timberwatch Elf

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

Elvish Harbinger

When this creature enters, you may search your library for an Elf card, reveal it, then shuffle and put that card on top.
{T}: Add one mana of any color.

Gilt-Leaf Archdruid

Whenever you cast a Druid spell, you may draw a card.
Tap seven untapped Druids you control: Gain control of all lands target player controls.

Fyndhorn Elves

Treetop Scout

This creature can't be blocked except by creatures with flying.

Elvish Spirit Guide

Exile this creature from your hand: Add {G}.

Forest

Wirewood Channeler

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

Sylvan Library

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

Elvish Champion

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

Titania's Chosen

Whenever a player casts a green spell, put a +1/+1 counter on this creature.

Nature's Claim

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

Heritage Druid

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

Beast

Drove of Elves

Hexproof
Drove of Elves's power and toughness are each equal to the number of green permanents you control.

Fyndhorn Elder

Talara's Battalion

Cast this spell only if you've cast another green spell this turn.
Trample

Skyshroud Elite

This creature gets +1/+2 as long as an opponent controls a nonbasic land.

Boreal Druid

Joraga Warcaller

Multikicker {1}{G} (You may pay an additional {1}{G} any number of times as you cast this spell.)
This creature enters with a +1/+1 counter on it for each time it was kicked.
Other Elf creatures you control get +1/+1 for each +1/+1 counter on this creature.

Elvish Lookout

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

Defiant Elf

Viridian Joiner

{T}: Add an amount of {G} equal to this creature's power.

Skyshroud Ranger

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

Gaea's Anthem

Willow Elf

Harmonize

Elf Warrior

Elvish Pioneer

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

Devoted Druid

{T}: Add {G}.
Put a -1/-1 counter on this creature: Untap this creature.

Yavimaya Granger

Echo {2}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Kaysa

Beast Within

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Lys Alana Huntmaster

Whenever you cast an Elf spell, you may create a 1/1 green Elf Warrior creature token.