
Haldir, Lórien Lieutenant | Legendary Creature | Elf Soldier | Haldir, Lórien Lieutenant enters the battlefield with X +1/+1 counters on it.
Vigilance
{5}{G}: Until end of turn, other Elves you control gain vigilance and get +1/+1 for each +1/+1 counter on Haldir. | Syd Mills

Haldir, Lórien Lieutenant | Legendary Creature | Elf Soldier | Haldir, Lórien Lieutenant enters the battlefield with X +1/+1 counters on it.
Vigilance
{5}{G}: Until end of turn, other Elves you control gain vigilance and get +1/+1 for each +1/+1 counter on Haldir. | Syd Mills

Arbor Elf | Creature | Elf Druid | {T}: Untap target Forest. | Inka Schulz

Birds of Paradise | Creature | Bird | Flying
{T}: Add one mana of any color. | Ben Wootten

Elvish Mystic | Creature | Elf Druid | {T}: Add {G}. | Iga Oliwiak

Essence Warden | Creature | Elf Shaman | Whenever another creature enters the battlefield, you gain 1 life. | Wangjie Li

Gilded Goose | Creature | Bird | Flying
When Gilded Goose enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
{1}{G}, {T}: Create a Food token.
{T}, Sacrifice a Food: Add one mana of any color. | Valera Lutfullina

Sylvan Offering | Sorcery | | Choose an opponent. You and that player each create an X/X green Treefolk creature token.
Choose an opponent. You and that player each create X 1/1 green Elf Warrior creature tokens. | Valera Lutfullina

Haldir, Lórien Lieutenant | Legendary Creature | Elf Soldier | Haldir, Lórien Lieutenant enters the battlefield with X +1/+1 counters on it.
Vigilance
{5}{G}: Until end of turn, other Elves you control gain vigilance and get +1/+1 for each +1/+1 counter on Haldir. | Syd Mills

Legolas's Quick Reflexes | Instant | | Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Untap target creature. Until end of turn, it gains hexproof, reach, and "Whenever this creature becomes tapped, it deals damage equal to its power to up to one target creature." | Jason Rainville

Sylvan Tutor | Sorcery | | Search your library for a creature card, reveal it, then shuffle and put that card on top. | Greg Hildebrandt & Tim Hildebrandt

Legolas's Quick Reflexes | Instant | | Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Untap target creature. Until end of turn, it gains hexproof, reach, and "Whenever this creature becomes tapped, it deals damage equal to its power to up to one target creature." | Jason Rainville