Bloom Tender

Vivid — {T}: For each color among permanents you control, add one mana of that color.

Have

Morcant's Loyalist

Other Elves you control get +1/+1.
When this creature dies, return another target Elf card from your graveyard to your hand.

Scarblade's Malice

Target creature you control gains deathtouch and lifelink until end of turn. When that creature dies this turn, create a 2/2 black and green Elf creature token.

Tam, Mindful First-Year

Each other creature you control has hexproof from each of its colors.
{T}: Target creature you control becomes all colors until end of turn.

Dawn's Light Archer

Twilight Diviner

When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Whenever one or more other creatures you control enter, if they entered or were cast from a graveyard, create a token that's a copy of one of them. This ability triggers only once each turn.

Eclipsed Elf

When this creature enters, look at the top four cards of your library. You may reveal an Elf, Swamp, or Forest card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Morcant's Eyes

At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
{4}{G}{G}, Sacrifice this enchantment: Create X 2/2 black and green Elf creature tokens, where X is the number of Elf cards in your graveyard. Activate only as a sorcery.

Swamp

Virulent Emissary

Deathtouch
Whenever another creature you control enters, you gain 1 life.

Creakwood Safewright

This creature enters with three -1/-1 counters on it.
At the beginning of your end step, if there is an Elf card in your graveyard and this creature has a -1/-1 counter on it, remove a -1/-1 counter from this creature.

Forest

Moon-Vigil Adherents

Trample
This creature gets +1/+1 for each creature you control and each creature card in your graveyard.

Evolving Wilds

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Trystan, Penitent Culler

Deathtouch
Whenever this creature transforms into Trystan, Penitent Culler, mill three cards, then you may exile an Elf card from your graveyard. If you do, each opponent loses 2 life.
At the beginning of your first main phase, you may pay {G}. If you do, transform Trystan.

Trystan, Callous Cultivator

Deathtouch
Whenever this creature enters or transforms into Trystan, Callous Cultivator, mill three cards. Then if there is an Elf card in your graveyard, you gain 2 life.
At the beginning of your first main phase, you may pay {B}. If you do, transform Trystan.

Trystan, Callous Cultivator // Trystan, Penitent Culler

Graveshifter

Changeling (This card is every creature type.)
When this creature enters, you may return target creature card from your graveyard to your hand.

Gloom Ripper

When this creature enters, target creature you control gets +X/+0 until end of turn and up to one target creature an opponent controls gets -0/-X until end of turn, where X is the number of Elves you control plus the number of Elf cards in your graveyard.

Lys Alana Dignitary

As an additional cost to cast this spell, behold an Elf or pay {2}. (To behold an Elf, choose an Elf you control or reveal an Elf card from your hand.)
{T}: Add {G}{G}. Activate only if there is an Elf card in your graveyard.

Stoic Grove-Guide

{1}{B/G}, Exile this card from your graveyard: Create a 2/2 black and green Elf creature token. Activate only as a sorcery.

Champions of the Perfect

As an additional cost to cast this spell, behold an Elf and exile it. (Exile an Elf you control or an Elf card from your hand.)
Whenever you cast a creature spell, draw a card.
When this creature leaves the battlefield, return the exiled card to its owner's hand.

Don't Have

Lys Alana Informant

When this creature enters or dies, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Chomping Changeling

Changeling (This card is every creature type.)
When this creature enters, destroy up to one target artifact or enchantment.

Formidable Speaker

When this creature enters, you may discard a card. If you do, search your library for a creature card, reveal it, put it into your hand, then shuffle.
{1}, {T}: Untap another target permanent.

High Perfect Morcant

Whenever High Perfect Morcant or another Elf you control enters, each opponent blights 1. (They each put a -1/-1 counter on a creature they control.)
Tap three untapped Elves you control: Proliferate. Activate only as a sorcery. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)