Kujar Seedsculptor

When this creature enters, put a +1/+1 counter on target creature you control.

Winnower Patrol

Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with this creature, you may reveal it. If you do, put a +1/+1 counter on this creature.

Eyeblight Massacre

Non-Elf creatures get -2/-2 until end of turn.

Winding Way

Choose creature or land. Reveal the top four cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest into your graveyard.

Rancor

Enchant creature
Enchanted creature gets +2/+0 and has trample.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Cloakwood Swarmkeeper

Gathered Swarm — Whenever one or more tokens you control enter, put a +1/+1 counter on this creature.

Treetop Ambusher

Dash {1}{G} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)
Whenever this creature attacks, target creature you control gets +1/+1 until end of turn.

Wildwood Tracker

Whenever this creature attacks or blocks, if you control another non-Human creature, this creature gets +1/+1 until end of turn.

Forest

Lys Alana Huntmaster

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

Scattershot Archer

{T}: This creature deals 1 damage to each creature with flying.

Elvish Eulogist

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

Circle of the Moon Druid

Bear Form — During your turn, this creature is a Bear with base power and toughness 4/2. (It loses all other creature types.)

Elvish Vanguard

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

Attended Socialite

Alliance — Whenever another creature you control enters, this creature gets +1/+1 until end of turn.

Llanowar Elves

Llanowar Visionary

When this creature enters, draw a card.
{T}: Add {G}.

Hunger of the Howlpack

Put a +1/+1 counter on target creature.
Morbid — Put three +1/+1 counters on that creature instead if a creature died this turn.

Giant Growth

Target creature gets +3/+3 until end of turn.

Copperhorn Scout

Whenever this creature attacks, untap each other creature you control.

Wirewood Herald

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

Elvish Pioneer

When Elvish Pioneer enters, you may put a basic land card from your hand onto the battlefield tapped.

Elvish Visionary

Ivy Lane Denizen

Whenever another green creature you control enters, put a +1/+1 counter on target creature.

Thornbow Archer

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

Nettle Sentinel

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

Safehold Elite

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Mutagenic Growth

({G/P} can be paid with either {G} or 2 life.)
Target creature gets +2/+2 until end of turn.

Gingerbread Cabin

({T}: Add {G}.)
This land enters tapped unless you control three or more other Forests.
When this land enters untapped, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")