Have

Timberwatch Elf

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

Gleeful Sabotage

Destroy target artifact or enchantment.
Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Lys Alana Huntmaster

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

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.)

Quirion Ranger

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

Elvish Vanguard

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

Llanowar Elves

Spidersilk Armor

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

Harsh Sustenance

Harsh Sustenance deals X damage to any target and you gain X life, where X is the number of creatures you control.

Forest

Fyndhorn Elves

Wellwisher

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

Scattershot Archer

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

Dispel

Jaspera Sentinel

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

Priest of Titania

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

Negate

Distant Melody

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

Essence Warden

Whenever another creature enters, you gain 1 life.

Wrap in Vigor

Elvish Mystic

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.

Viridian Longbow

Equipped creature has "{T}: This creature deals 1 damage to any target."
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)

Vines of Vastwood

Kicker {G} (You may pay an additional {G} as you cast this spell.)
Target creature can't be the target of spells or abilities your opponents control this turn. If this spell was kicked, that creature gets +4/+4 until end of turn.