Priest of Titania

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

Radiant Fountain

When this land enters, you gain 2 life.
{T}: Add {C}.

Pristine Talisman

Fyndhorn Elves

Essence Warden

Whenever another creature enters, you gain 1 life.

Kodama's Reach

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Llanowar Elves

Social Climber

Alliance — Whenever another creature you control enters, you gain 1 life.

Wood Elves

When this creature enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Urborg Repossession

Kicker {1}{G} (You may pay an additional {1}{G} as you cast this spell.)
Return target creature card from your graveyard to your hand. You gain 2 life. If this spell was kicked, return another target permanent card from your graveyard to your hand.

Jaddi Offshoot

Defender
Landfall — Whenever a land you control enters, you gain 1 life.

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Elvish Eulogist

Sacrifice this creature: You gain 1 life for each Elf card in your graveyard.

Marauding Blight-Priest

Whenever you gain life, each opponent loses 1 life.

Command Tower

Wellwisher

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

Jungle Hollow

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {B} or {G}.

Deathgreeter

Whenever another creature dies, you may gain 1 life.

Elvish Mystic

Falkenrath Noble

Flying
Whenever this creature or another creature dies, target player loses 1 life and you gain 1 life.

Cultivate

Dina, Soul Steeper

Whenever you gain life, each opponent loses 1 life.
{1}, Sacrifice another creature: Dina gets +X/+0 until end of turn, where X is the sacrificed creature's power.