Wellwisher

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

Tormod's Crypt

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

Elvish Vanguard

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

Island

Forest

Prohibit

Kicker {2} (You may pay an additional {2} as you cast this spell.)
Counter target spell if its mana value is 2 or less. If this spell was kicked, counter that spell if its mana value is 4 or less instead.

Essence Warden

Whenever another creature enters, you gain 1 life.

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.)

Fyndhorn Elves

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.

Llanowar Elves

Spidersilk Armor

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

Lys Alana Huntmaster

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

Wrap in Vigor

Priest of Titania

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

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.

Negate

Elvish Mystic

Harsh Sustenance

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

Blue Elemental Blast

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

Nature's Claim

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

Quirion Ranger

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

Distant Melody

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

Jaspera Sentinel

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

Timberwatch Elf

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