Forest

Wellwisher

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

Jaspera Sentinel

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

Llanowar Elves

Lys Alana Huntmaster

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

Scattershot Archer

{T}: Scattershot Archer deals 1 damage to each creature with flying.

Spidersilk Armor

Creatures you control get +0/+1 and have reach. (They can block creatures with flying.)

Deglamer

Choose target artifact or enchantment. Its owner shuffles it into their library.

Nettle Sentinel

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

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.

Priest of Titania

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

Quirion Ranger

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

Elvish Mystic

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.)

Distant Melody

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

Faerie Macabre

Flying
Discard Faerie Macabre: Exile up to two target cards from graveyards.

Gnawing Crescendo

Creatures you control get +2/+0 until end of turn. Whenever a nontoken creature you control dies this turn, create a 1/1 black Rat creature token with "This creature can't block."

Tuktuk Rubblefort

Defender, reach
Creatures you control have haste.

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

Lead the Stampede

Look at the top five cards of your library. You may reveal any number of creature cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.

Elvish Vanguard

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

Dispel

Island

Pack's Disdain

Choose a creature type. Target creature gets -1/-1 until end of turn for each permanent of the chosen type you control.