Thornbow Archer

Whenever Thornbow Archer attacks, each opponent who doesn't control an Elf loses 1 life.

Kujar Seedsculptor

When Kujar Seedsculptor enters the battlefield, put a +1/+1 counter on target creature you control.

Peema Outrider

Trample
Fabricate 1 (When this creature enters the battlefield, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Twinblade Assassins

At the beginning of your end step, if a creature died this turn, draw a card.

Crippling Blight

Enchant creature
Enchanted creature gets -1/-1 and can't block.

Llanowar Dead

Belbe, Corrupted Observer

At the beginning of each player's postcombat main phase, that player adds {C}{C} for each of your opponents who lost life this turn. (Damage causes loss of life.)

Forest

Highspire Artisan

Reach (This creature can block creatures with flying.)
Fabricate 1 (When this creature enters the battlefield, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Wild Wanderer

When Wild Wanderer enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Jungle Wayfinder

When Jungle Wayfinder enters the battlefield, each player may search their library for a basic land card, reveal it, put it into their hand, then shuffle.

Wirewood Herald

When Wirewood Herald dies, you may search your library for an Elf card, reveal that card, put it into your hand, then shuffle.

Miara, Thorn of the Glade

Whenever Miara, Thorn of the Glade or another Elf you control dies, you may pay {1} and 1 life. If you do, draw a card.
Partner (You can have two commanders if both have partner.)

Harald, King of Skemfar

Menace (This creature can't be blocked except by two or more creatures.)
When Harald, King of Skemfar enters the battlefield, look at the top five cards of your library. You may reveal an Elf, Warrior, or Tyvar card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Llanowar Visionary

When Llanowar Visionary enters the battlefield, draw a card.
{T}: Add {G}.

Abomination of Llanowar

Vigilance; menace (This creature can't be blocked except by two or more creatures.)
Abomination of Llanowar's power and toughness are each equal to the number of Elves you control plus the number of Elf cards in your graveyard.

Shaman of Spring

When Shaman of Spring enters the battlefield, draw a card.

Woodland Champion

Whenever one or more tokens enter the battlefield under your control, put that many +1/+1 counters on Woodland Champion.