To be removed

Orchard Strider

When this creature enters, create two Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this token: You gain 3 life.")
Basic landcycling {1}{G} ({1}{G}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Have

Ironroot Treefolk

Mossbeard Ancient

Trample
When this creature enters, you gain 5 life.

Magnigoth Sentry

Reach (This creature can block creatures with flying.)

Fungal Infection

Target creature gets -1/-1 until end of turn. Create a 1/1 green Saproling creature token.

Tree of Perdition

Defender
{T}: Exchange target opponent's life total with this creature's toughness.

Colfenor, the Last Yew

Vigilance, reach
Whenever Colfenor or another creature you control dies, return up to one other target creature card with lesser toughness from your graveyard to your hand.

Ent's Fury

Put a +1/+1 counter on target creature you control if its power is 4 or greater. Then that creature gets +1/+1 until end of turn and fights target creature you don't control.

Plains

Season of Growth

Whenever a creature you control enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Whenever you cast a spell that targets a creature you control, draw a card.

Treefolk Umbra

Enchant creature
Enchanted creature gets +0/+2 and assigns combat damage equal to its toughness rather than its power.
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Swamp

Flowering Lumberknot

This creature can't attack or block unless it's paired with a creature with soulbond.

Generous Ent

Reach
When this creature enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: 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.)

Enraged Huorn

Trample
When this creature enters, the Ring tempts you.

Fangorn, Tree Shepherd

Treefolk you control have vigilance.
Whenever one or more Treefolk you control attack, add twice that much {G}.
You don't lose unspent green mana as steps and phases end.

Branch of Vitu-Ghazi

{T}: Add {C}.
Disguise {3} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)
When this land is turned face up, add two mana of any one color. Until end of turn, you don't lose this mana as steps and phases end.

Deadwood Treefolk

Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
When this creature enters or leaves the battlefield, return another target creature card from your graveyard to your hand.

Ent-Draught Basin

{X}, {T}: Put a +1/+1 counter on target creature with power X. Activate only as a sorcery.

Bramblecrush

Quickbeam, Upstart Ent

Whenever Quickbeam or another Treefolk you control enters, up to two target creatures each get +2/+2 and gain trample until end of turn.

Ulvenwald Observer

Whenever a creature you control with toughness 4 or greater dies, draw a card.

Ilysian Caryatid

{T}: Add one mana of any color. If you control a creature with power 4 or greater, add two mana of any one color instead.

Oaken Boon

Put two +1/+1 counters on target creature. (Then exile this card. You may cast the creature later from exile.)

Tuinvale Treefolk

Tuinvale Treefolk // Oaken Boon

Old Man Willow

Old Man Willow's power and toughness are each equal to the number of lands you control.
Whenever Old Man Willow attacks, you may sacrifice another creature or a token. When you do, target creature an opponent controls gets -2/-2 until end of turn.

Giant Growth

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

Plummet

Burlfist Oak

Whenever you draw a card, this creature gets +2/+2 until end of turn.

Yavimaya Sojourner

Domain — This spell costs {1} less to cast for each basic land type among lands you control.

Territorial Maro

Domain — Territorial Maro's power and toughness are each equal to twice the number of basic land types among lands you control.

Doran, the Siege Tower

Each creature assigns combat damage equal to its toughness rather than its power.

Gnarled Sage

Reach (This creature can block creatures with flying.)
As long as you've drawn two or more cards this turn, this creature gets +0/+2 and has vigilance. (Attacking doesn't cause it to tap.)

Treefolk Mystic

Whenever this creature blocks or becomes blocked by a creature, destroy all Auras attached to that creature.

Long List of the Ents

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after VI.)
I, II, III, IV, V, VI — Note a creature type that hasn't been noted for this Saga. When you next cast a creature spell of that type this turn, that creature enters with an additional +1/+1 counter on it.

Forest

Blanchwood Treefolk

Gnarlroot Pallbearer

Trample
When this creature enters, target creature gets +X/+X until end of turn, where X is the number of creature cards in your graveyard.

Malady Invoker

When this creature transforms into Malady Invoker, target creature an opponent controls gets -0/-X until end of turn, where X is this creature's power.

Herbology Instructor

When this creature enters, you gain 3 life.
{6}{B/P}: Transform this creature. Activate only as a sorcery. ({B/P} can be paid with either {B} or 2 life.)

Herbology Instructor // Malady Invoker

Entish Restoration

Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. If you control a creature with power 4 or greater, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

Yavimaya Scion

Warden of the Woods

Vigilance (Attacking doesn't cause this creature to tap.)
Whenever this creature becomes the target of a spell or ability an opponent controls, you may draw two cards.