Elvish Vanguard

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

Vitalize

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.)

Jaspera Sentinel

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

Island

Forest

Nettle Sentinel

This creature doesn't untap during your untap step.
Whenever you cast a green spell, you may untap this creature.

Priest of Titania

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

Mobilize

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.

Sylvan Ranger

When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Timberwatch Elf

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