Have

Dwynen, Gilt-Leaf Daen

Reach
Other Elf creatures you control get +1/+1.
Whenever Dwynen, Gilt-Leaf Daen attacks, you gain 1 life for each attacking Elf you control.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Geier Reach Sanitarium

{T}: Add {C}.
{2}, {T}: Each player draws a card, then discards a card.

Exsanguinate

Each opponent loses X life. You gain life equal to the life lost this way.

Cultivate

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.

Forest

Swamp

Llanowar Elves

Golgari Signet

Waste Not

Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.
Whenever an opponent discards a land card, add {B}{B}.
Whenever an opponent discards a noncreature, nonland card, draw a card.

Elderfang Disciple

When Elderfang Disciple enters the battlefield, each opponent discards a card.

Exquisite Blood

Whenever an opponent loses life, you gain that much life.

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Bojuka Bog

Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.

Tainted Wood

{T}: Add {C}.
{T}: Add {B} or {G}. Activate only if you control a Swamp.

Golgari Guildgate

Golgari Guildgate enters the battlefield tapped.
{T}: Add {B} or {G}.

Beast of Burden

Beast of Burden's power and toughness are each equal to the number of creatures on the battlefield.

Mind Stone

{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.

Unclaimed Territory

As Unclaimed Territory enters the battlefield, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

Geth's Grimoire

Whenever an opponent discards a card, you may draw a card.

Verdant Haven

Enchant land
When Verdant Haven enters the battlefield, you gain 2 life.
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Altar's Reap

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

Unnerve

Oppression

Whenever a player casts a spell, that player discards a card.

Fell Specter

Flying
When Fell Specter enters the battlefield, target opponent discards a card.
Whenever an opponent discards a card, that player loses 2 life.

Doom Blade

Sadistic Hypnotist

Sacrifice a creature: Target player discards two cards. Activate only as a sorcery.

Karametra's Favor

Enchant creature
When Karametra's Favor enters the battlefield, draw a card.
Enchanted creature has "{T}: Add one mana of any color."

Imperious Perfect

Other Elves you control get +1/+1.
{G}, {T}: Create a 1/1 green Elf Warrior creature token.

Nath of the Gilt-Leaf

At the beginning of your upkeep, you may have target opponent discard a card at random.
Whenever an opponent discards a card, you may create a 1/1 green Elf Warrior creature token.

Golgari Rot Farm

Golgari Rot Farm enters the battlefield tapped.
When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand.
{T}: Add {B}{G}.

Priest of Titania

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

Syphon Mind

Each other player discards a card. You draw a card for each card discarded this way.

Quirion Elves

As Quirion Elves enters the battlefield, choose a color.
{T}: Add {G}.
{T}: Add one mana of the chosen color.

Elves of Deep Shadow

{T}: Add {B}. Elves of Deep Shadow deals 1 damage to you.

Sanguine Bond

Whenever you gain life, target opponent loses that much life.

Sword of the Paruns

As long as equipped creature is tapped, tapped creatures you control get +2/+0.
As long as equipped creature is untapped, untapped creatures you control get +0/+2.
{3}: You may tap or untap equipped creature.
Equip {3}

Skullclamp

Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip {1}

Immaculate Magistrate

{T}: Put a +1/+1 counter on target creature for each Elf you control.

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}

Broken Wings

Destroy target artifact, enchantment, or creature with flying.

Overrun

Creatures you control get +3/+3 and gain trample until end of turn.

Evolving Wilds

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Stupor

Target opponent discards a card at random, then discards a card.

Coat of Arms

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Sol Ring

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Elvish Archdruid

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

Terramorphic Expanse

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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.

Elvish Visionary

When Elvish Visionary enters the battlefield, draw a card.

Elvish Harbinger

When Elvish Harbinger enters the battlefield, you may search your library for an Elf card, reveal it, then shuffle and put that card on top.
{T}: Add one mana of any color.

Golgari Rotwurm

{B}, Sacrifice a creature: Target player loses 1 life.

Llanowar Wastes

{T}: Add {C}.
{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

Reclamation Sage

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Nullmage Shepherd

Tap four untapped creatures you control: Destroy target artifact or enchantment.

Wellwisher

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

Elvish Vanguard

Whenever another Elf enters the battlefield, put a +1/+1 counter on Elvish Vanguard.

Killing Wave

For each creature, its controller sacrifices it unless they pay X life.

Mind Drain

Target opponent discards two cards, mills a card, and loses 1 life. You gain 1 life. (To mill a card, a player puts the top card of their library into their graveyard.)

Putrefy

Destroy target artifact or creature. It can't be regenerated.

Elvish Doomsayer

When Elvish Doomsayer dies, each opponent discards a card.

Elvish Promenade

Create a 1/1 green Elf Warrior creature token for each Elf you control.

Liliana's Caress

Whenever an opponent discards a card, that player loses 2 life.

Assassin's Trophy

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Megrim

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

Bottomless Pit

At the beginning of each player's upkeep, that player discards a card at random.

Sakura-Tribe Scout

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

Hymn to Tourach

Target player discards two cards at random.

Larceny

Whenever a creature you control deals combat damage to a player, that player discards a card.

Despise

Target opponent reveals their hand. You choose a creature or planeswalker card from it. That player discards that card.

Shaman of the Pack

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

Spare Supplies

Spare Supplies enters the battlefield tapped.
When Spare Supplies enters the battlefield, draw a card.
{2}, {T}, Sacrifice Spare Supplies: Draw a card.

Woodland Cemetery

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest.
{T}: Add {B} or {G}.

Raiders' Wake

Whenever an opponent discards a card, that player loses 2 life.
Raid — At the beginning of your end step, if you attacked this turn, target opponent discards a card.

Painful Quandary

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.