Cavern of Souls

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {1} to your mana pool. {T}: Add one mana of any color to your mana pool. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Collected Company

Look at the top six cards of your library. Put up to two creature cards with converted mana cost 3 or less from among them onto the battlefield. Put the rest on the bottom of your library in any order.

Nettle Sentinel

Nettle Sentinel doesn't untap during your untap step. Whenever you play a green spell, you may untap Nettle Sentinel.

Gilt-Leaf Palace

As Gilt-Leaf Palace comes into play, you may reveal an Elf card from your hand. If you don't, Gilt-Leaf Palace comes into play tapped. {T}: Add {B} or {G} to your mana pool.

Elvish Archdruid

Other Elf creatures you control get +1/+1. {T}: Add {G} to your mana pool for each Elf you control.

Dwynen's Elite

When Dwynen's Elite enters the battlefield, if you control another Elf, put a 1/1 green Elf Warrior creature token onto the battlefield.

Shaman of the Pack

When Shaman of the Pack enters the battlefield, target opponent loses life equal to the number of Elves you control.

Heritage Druid

Tap three untapped Elves you control: Add {G}{G}{G} to your mana pool.

Essence Warden

Whenever another creature comes into play, you gain 1 life.

Sword of Light and Shadow

Equipped creature gets +2/+2 and has protection from white and from black. Whenever equipped creature deals combat damage to a player, you gain 3 life and you may return up to one target creature card from your graveyard to your hand. Equip {2}

Elvish Mystic

{T}: Add {G} to your mana pool.

Abrupt Decay

Abrupt Decay can't be countered by spells or abilities. Destroy target nonland permanent with converted mana cost 3 or less.

Ezuri, Renegade Leader

{G}: Regenerate another target Elf. {2}{G}{G}{G}: Elf creatures you control get +3/+3 and gain trample until end of turn.

Fracturing Gust

Destroy all artifacts and enchantments. You gain 2 life for each permanent destroyed this way.

Elvish Champion

Other Elf creatures get +1/+1 and have forestwalk. (They're unblockable as long as defending player controls a Forest.)

Nykthos, Shrine to Nyx

{T}: Add {1} to your mana pool. {2}, {T}: Choose a color. Add to your mana pool 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.)

Llanowar Elves

Tap to add green mana to your mana pool. This tap can be played as an interrupt.

Overgrown Tomb

Windswept Heath

Elvish Visionary

Horizon Canopy

Blooming Marsh

Heroic Intervention

Throne of the God-Pharaoh

Shapers' Sanctuary

G

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.

Forest

({T}: Add {G}.)