Wellwisher

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

Atraxa's Fall

Destroy target artifact, battle, enchantment, or creature with flying.

Have

Distant Melody

Choose a creature type. Draw a card for each permanent you control of that type.

Wirewood Pride

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

Presence of Gond

Enchant creature
Enchanted creature has "{T}: Create a 1/1 green Elf Warrior creature token."

Lys Alana Huntmaster

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

Seeker of Skybreak

Essence Warden

Whenever another creature enters, you gain 1 life.

Forest

Quirion Ranger

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Timberwatch Elf

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

Wrap in Vigor

Ethereal Haze

Prevent all damage that would be dealt by creatures this turn.

Elvish Mystic

Elvish Visionary

When Elvish Visionary enters, draw a card.

Nettle Sentinel

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

Return to Nature

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Exile target card from a graveyard.

Tormod's Crypt

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

Winding Way

Choose creature or land. Reveal the top four cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest into your graveyard.

Elvish Vanguard

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

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.)

Taunting Elf

All creatures able to block Taunting Elf do so.

Priest of Titania

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

Fyndhorn Elves

Jaspera Sentinel

Reach
{T}, Tap an untapped creature you control: Add one mana of any color.

Silhana Ledgewalker

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Silhana Ledgewalker can't be blocked except by creatures with flying.