{T}: Untap target Forest.

For each land you control, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}: Add {G}.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Whenever you tap a Swamp for mana, add an additional {B}.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

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

Flash

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

{1}{G}, Sacrifice Diligent Farmhand: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

If Diligent Farmhand is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.

{T}: Add {G}.

{T}: Add {G}.

{T}: Add {G}{G}. Spend this mana only to cast kicked spells.

Other Elf creatures you control get +1/+1.

{T}: Add {G} for each Elf you control.

{T}: Add {G}.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Fertilid enters the battlefield with two +1/+1 counters on it.

{1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

{T}: Add {G}{G}.

{T}: Add three mana of any one color.

{T}: Add {G}.

{T}: Add {G}{G}.

Kicker {2} (You may pay an additional {2} as you cast this spell.)

Search your library for a basic land card, put it onto the battlefield, then shuffle. If this spell was kicked, instead search your library for two basic land cards, put them onto the battlefield, then shuffle.

As an additional cost to cast this spell, sacrifice a land.

Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

{T}: Add one mana of any color that a land you control could produce.

{T}: Add {G}.

{2}, Sacrifice Heart Warden: Draw a card.

Landfall -- Whenever a land enters the battlefield under your control, you may put a quest counter on Khalni Heart Expedition.

Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{T}: Add {G}.

{T}: Add {G}.

{T}: You may put a land card from your hand onto the battlefield.

{T}: Add {C}.

{T}: Draw a card. Activate only if you have exactly seven cards in hand.

Whenever another Elf enters the battlefield under your control, put a +1/+1 counter on Marwyn, the Nurturer.

{T}: Add an amount of {G} equal to Marwyn's power.

{T}: Add one mana of any type that a land you control could produce.

{T}: Add {C}{G}.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Whenever you tap a Forest for mana, add an additional {G}.

+1: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land.

-8: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

{T}: Add {G}.

{T}: Add {C}{C}.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{T}: Add {C}.

As Quirion Elves enters, choose a color.

{T}: Add {G}.

{T}: Add one mana of the chosen color.

{T}: Add one mana of any color that a land an opponent controls could produce.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {G}.

At the beginning of each upkeep, if no spells were cast last turn, transform Scorned Villager.

Vigilance

{T}: Add {G}{G}.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Moonscarred Werewolf.

Search your library for a basic land card, put it onto the battlefield, then shuffle.

Suspend 2--{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

{T}: Untap target creature.

{T}: Add {C}{C}.

{T}: Add one mana of any color that a land an opponent controls could produce.

Search your library for up to X basic land cards, where X is the greatest power among creatures you control. Put those cards onto the battlefield tapped, then shuffle.

{T}: Add an amount of {G} equal to Viridian Joiner's power.

{T}: Untap target land.

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {G}.

Threshold -- Werebear gets +3/+3 as long as seven or more cards are in your graveyard.

{T}: Add {G}.

Ferocious -- {T}: Add {G}{G}. Activate only if you control a creature with power 4 or greater.

{T}: Add {G}.

When Wood Elves enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.)

Whenever you cast a creature spell, draw a card.