Harmonic Sliver

All Slivers have "When this permanent enters, destroy target artifact or enchantment."

Nettle Sentinel

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

Forest

Swamp

Shifting Sliver

Slivers can't be blocked except by Slivers.

Root Sliver

This spell can't be countered.
Sliver spells can't be countered.

Spinneret Sliver

Venser's Sliver

Sinew Sliver

Righteous Cause

Whenever a creature attacks, you gain 1 life.

Timberwatch Elf

{T}: Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.

Mountain

Elvish Vanguard

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

Dragonspeaker Shaman

Dragon spells you cast cost {2} less to cast.

Bladewing the Risen

Flying
When Bladewing the Risen enters, you may return target Dragon permanent card from your graveyard to the battlefield.
{B}{R}: Dragon creatures get +1/+1 until end of turn.

Serra Advocate

Flying
{T}: Target attacking or blocking creature gets +2/+2 until end of turn.

Elvish Archers

Wolf-Skull Shaman

Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Wolf-Skull Shaman, you may reveal it. If you do, create a 2/2 green Wolf creature token.

Angel of Retribution

Imagecrafter

{T}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

Azami, Lady of Scrolls

Tap an untapped Wizard you control: Draw a card.

Tribal Forcemage

Morph {1}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When Tribal Forcemage is turned face up, creatures of the creature type of your choice get +2/+2 and gain trample until end of turn.

Vampiric Sliver

All Sliver creatures have "Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature."

Unsummon

Return target creature to its owner's hand.

Serra's Blessing

Creatures you control have vigilance. (Attacking doesn't cause them to tap.)

Wirewood Lodge

{T}: Add {C}.
{G}, {T}: Untap target Elf.

Raven Guild Master

Whenever Raven Guild Master deals combat damage to a player, that player exiles the top ten cards of their library.
Morph {2}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Elvish Visionary

When Elvish Visionary enters, draw a card.

Wirewood Herald

When Wirewood Herald dies, you may search your library for an Elf card, reveal that card, put it into your hand, then shuffle.

Nameless One

Nameless One's power and toughness are each equal to the number of Wizards on the battlefield.
Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Doom Blade

Ghostflame Sliver

Kami of the Crescent Moon

At the beginning of each player's draw step, that player draws an additional card.

Sidewinder Sliver

All Sliver creatures have flanking. (Whenever a creature without flanking blocks a Sliver, the blocking creature gets -1/-1 until end of turn.)

Angel of Mercy

Flying
When Angel of Mercy enters, you gain 3 life.

Plains

Crimson Hellkite

Flying
{X}, {T}: Crimson Hellkite deals X damage to target creature. Spend only red mana on X.

Riptide Director

{2}{U}{U}, {T}: Draw a card for each Wizard you control.

Two-Headed Sliver

All Sliver creatures have menace. (They can't be blocked except by two or more creatures.)

Llanowar Elves

Wirewood Pride

Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.

Lymph Sliver

All Sliver creatures have absorb 1. (If a source would deal damage to a Sliver, prevent 1 of that damage.)

Elvish Champion

Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Sustainer of the Realm

Flying
Whenever Sustainer of the Realm blocks, it gets +0/+2 until end of turn.

Plated Sliver

Elvish Warrior

Magus of the Future

Play with the top card of your library revealed.
You may play lands and cast spells from the top of your library.

Spitting Sliver

Holy Day

Prevent all combat damage that would be dealt this turn.

Voice of the Woods

Tap five untapped Elves you control: Create a 7/7 green Elemental creature token with trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Reflex Sliver

Mistform Stalker

{1}: Mistform Stalker becomes the creature type of your choice until end of turn.
{2}{U}{U}: Mistform Stalker gets +2/+2 and gains flying until end of turn.

Wellwisher

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

Celestial Purge

Blade Sliver

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Island

Luminous Angel

Flying
At the beginning of your upkeep, you may create a 1/1 white Spirit creature token with flying.

Heedless One

Trample
Heedless One's power and toughness are each equal to the number of Elves on the battlefield.

Frenzy Sliver

All Sliver creatures have frenzy 1. (Whenever a Sliver attacks and isn't blocked, it gets +1/+0 until end of turn.)

Reya Dawnbringer

Flying
At the beginning of your upkeep, you may return target creature card from your graveyard to the battlefield.

Akroma, Angel of Wrath

Flying, first strike, vigilance, trample, haste, protection from black and from red

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Stormfront Pegasus

Braids, Conjurer Adept

At the beginning of each player's upkeep, that player may put an artifact, creature, or land card from their hand onto the battlefield.

Arcanis the Omnipotent

{T}: Draw three cards.
{2}{U}{U}: Return Arcanis to its owner's hand.

Angelic Page

Flying
{T}: Target attacking or blocking creature gets +1/+1 until end of turn.

Engineered Plague

As Engineered Plague enters, choose a creature type.
All creatures of the chosen type get -1/-1.

Dragon Tyrant

Flying, trample
Double strike (This creature deals both first-strike and regular combat damage.)
At the beginning of your upkeep, sacrifice Dragon Tyrant unless you pay {R}{R}{R}{R}.
{R}: Dragon Tyrant gets +1/+0 until end of turn.

Chastise

Destroy target attacking creature. You gain life equal to its power.

Battering Sliver

Serendib Sorcerer

{T}: Target creature other than Serendib Sorcerer has base power and toughness 0/2 until end of turn.

Rakdos Pit Dragon

{R}{R}: Rakdos Pit Dragon gains flying until end of turn.
{R}: Rakdos Pit Dragon gets +1/+0 until end of turn.
Hellbent — Rakdos Pit Dragon has double strike as long as you have no cards in hand.

Prodigal Sorcerer

{T}: Prodigal Sorcerer deals 1 damage to any target.

Imperious Perfect

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

Psychic Trance

Until end of turn, Wizards you control gain "{T}: Counter target spell."

Opaline Sliver

All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card."

Aether Adept

When Aether Adept enters, return target creature to its owner's hand.

Ambush Commander

Forests you control are 1/1 green Elf creatures that are still lands.
{1}{G}, Sacrifice an Elf: Target creature gets +3/+3 until end of turn.