Wellwisher

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

Synchronous Sliver

Webweaver Changeling

Changeling (This card is every creature type.)
Reach
When this creature enters, if there are three or more creature cards in your graveyard, you gain 5 life.

Distant Melody

Choose a creature type. Draw a card for each permanent you control of that type.

Silvergill Douser

{T}: Target creature gets -X/-0 until end of turn, where X is the number of Merfolk and/or Faeries you control.

Predatory Sliver

Caterwauling Boggart

Goblins you control and Elementals you control have menace. (They can't be blocked except by two or more creatures.)

Island

Bonesplitter Sliver

Muscle Sliver

Battering Sliver

Game-Trail Changeling

Changeling (This card is every creature type.)
Trample

Scaled Nurturer

{T}: Add {G}. When you spend this mana to cast a Dragon creature spell, you gain 2 life.

Stonybrook Banneret

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Merfolk spells and Wizard spells you cast cost {1} less to cast.

Thoughtcast

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Draw two cards.

Dragonlord's Servant

Dragon spells you cast cost {1} less to cast.

Gemhide Sliver

All Slivers have "{T}: Add one mana of any color."

Mistwalker

Changeling (This card is every creature type.)
Flying
{1}{U}: This creature gets +1/-1 until end of turn.

Mountain

Priest of Titania

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

Chill of the Grave

This spell costs {1} less to cast if you control a Zombie.
Tap target creature. It doesn't untap during its controller's next untap step.
Draw a card.

Cleaving Sliver

Brighthearth Banneret

Elemental spells and Warrior spells you cast cost {1} less to cast.
Reinforce 1—{1}{R} ({1}{R}, Discard this card: Put a +1/+1 counter on target creature.)

War-Spike Changeling

Changeling (This card is every creature type.)
{R}: This creature gains first strike until end of turn.

Masked Vandal

Changeling (This card is every creature type.)
When this creature enters, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

Blur Sliver

Sliver creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Draconic Lore

This spell costs {2} less to cast if you control a Dragon.
Draw three cards.

Brightstone Ritual

Add {R} for each Goblin on the battlefield.

Of One Mind

This spell costs {2} less to cast if you control a Human creature and a non-Human creature.
Draw two cards.

Survivors' Bond

Choose one or both —
• Return target Human creature card from your graveyard to your hand.
• Return target non-Human creature card from your graveyard to your hand.

Quick Sliver

Flash
Any player may cast Sliver spells as though they had flash.

Striking Sliver

Sliver creatures you control have first strike. (They deal combat damage before creatures without first strike.)

Forest

Barbed Sliver

All Sliver creatures have "{2}: This creature gets +1/+0 until end of turn."

Heart Sliver

Evolving Wilds

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

Breath Weapon

Breath Weapon deals 2 damage to each non-Dragon creature.

Elvish Guidance

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G} for each Elf on the battlefield.

Littjara Kinseekers

Changeling (This card is every creature type.)
When this creature enters, if you control three or more creatures that share a creature type, put a +1/+1 counter on this creature, then scry 1.

Winged Words

This spell costs {1} less to cast if you control a creature with flying.
Draw two cards.

Information Dealer

{T}: Look at the top X cards of your library, where X is the number of Wizards on the battlefield, then put them back in any order.