Generous Ent

Reach
When Generous Ent enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
Forestcycling {1} ({1}, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)

Nyxborn Hydra

Bestow {X}{G}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.)
Reach, trample
Nyxborn Hydra enters with X +1/+1 counters on it.
Enchanted creature gets +1/+1 for each +1/+1 counter on Nyxborn Hydra and has reach and trample.

Essence Warden

Whenever another creature enters, you gain 1 life.

Scattershot Archer

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

Masked Vandal

Changeling (This card is every creature type.)
When Masked Vandal enters, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

Jaspera Sentinel

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

Fyndhorn Elves

Llanowar Elves

Lead the Stampede

Look at the top five cards of your library. You may reveal any number of creature cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.

Wellwisher

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

Gleeful Sabotage

Destroy target artifact or enchantment.
Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Hallow

Prevent all damage target spell would deal this turn. You gain life equal to the damage prevented this way.

Standard Bearer

While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.

Quirion Ranger

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Vineshaper Prodigy

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
When Vineshaper Prodigy enters, if it was kicked, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Avenging Hunter

Trample
When Avenging Hunter enters, you take the initiative.

Forest

Elvish Mystic

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.)

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Priest of Titania

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

Negate

Timberwatch Elf

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

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.