Linden, the Steadfast Queen

Vigilance (Attacking doesn't cause this creature to tap.)
Whenever a white creature you control attacks, you gain 1 life.

Desperate Measures

Target creature gets +1/-1 until end of turn. When it dies under your control this turn, draw two cards.

Lightfoot Technique

Put a +1/+1 counter on target creature. It gains flying and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Insomnia, Crown City

This land enters tapped.
{T}: Add {W} or {B}.

Secluded Courtyard

As this land enters, 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 or activate an ability of a creature source of the chosen type.

Holy Cow

Flash
Flying
When this creature enters, you gain 2 life and scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Ob Nixilis Reignited

+1: You draw a card and you lose 1 life.
−3: Destroy target creature.
−8: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life."

Living Phone

When this creature dies, look at the top five cards of your library. You may reveal a creature card with power 2 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Al Bhed Salvagers

Whenever this creature or another creature or artifact you control dies, target opponent loses 1 life and you gain 1 life.

Gaelicat

Flying, vigilance
As long as you control two or more artifacts, this creature gets +2/+0.

Helpful Hunter

Angelic Destiny

Enchant creature
Enchanted creature gets +4/+4, has flying and first strike, and is an Angel in addition to its other types.
When enchanted creature dies, return this card to its owner's hand.

Cat Collector

When this creature enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")
Whenever you gain life for the first time during each of your turns, create a 1/1 white Cat creature token.

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Dawnwing Marshal

Flying
{4}{W}: Creatures you control get +1/+1 until end of turn.

Smile at Death

At the beginning of your upkeep, return up to two target creature cards with power 2 or less from your graveyard to the battlefield. Put a +1/+1 counter on each of those creatures.

Dazzling Angel

Flying
Whenever another creature you control enters, you gain 1 life.

Arahbo, the First Fang

Other Cats you control get +1/+1.
Whenever Arahbo or another nontoken Cat you control enters, create a 1/1 white Cat creature token.

Assemble the Players

You may look at the top card of your library any time.
Once each turn, you may cast a creature spell with power 2 or less from the top of your library.

Furious Forebear

Whenever a creature you control dies while this card is in your graveyard, you may pay {1}{W}. If you do, return this card from your graveyard to your hand.

Leonin Lightbringer

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
As long as this creature is equipped, it gets +1/+1.

Live or Die

Choose one —
• Return target creature card from your graveyard to the battlefield.
• Destroy target creature.

Selfless Spirit

Flying
Sacrifice this creature: Creatures you control gain indestructible until end of turn.

Neglected Manor

This land enters tapped unless a player has 13 or less life.
{T}: Add {W} or {B}.

Fleeting Flight

Put a +1/+1 counter on target creature. It gains flying until end of turn. Prevent all combat damage that would be dealt to it this turn.

Regal Caracal

Other Cats you control get +1/+1 and have lifelink. (Damage dealt by those creatures also causes you to gain that much life.)
When this creature enters, create two 1/1 white Cat creature tokens with lifelink.

Blessed Wine

You gain 1 life.
Draw a card at the beginning of the next turn's upkeep.

Tomb of the Spirit Dragon

{T}: Add {C}.
{2}, {T}: You gain 1 life for each colorless creature you control.

Circuit Mender

When this creature enters, you gain 2 life.
When this creature leaves the battlefield, draw a card.

You're Not Alone

Target creature gets +2/+2 until end of turn. If you control three or more creatures, it gets +4/+4 until end of turn instead.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Charming Prince

When this creature enters, choose one —
• Scry 2.
• You gain 3 life.
• Exile another target creature you own. Return it to the battlefield under your control at the beginning of the next end step.

Have

Whiskers, The Tolerator

Double strike, Vigilance, Trample
Whenever another Cat/Warrior enters the battlefield under your control, put a +1/+1 counter on Whiskers, The 
Tolerator.
Other Cats/Warriors you control get +1/+1 for each 
counter on Whiskers.
Whiskers never gave up.

Venomized Cat

Deathtouch
When this creature enters, mill two cards. (Put the top two cards of your library into your graveyard.)

Crawling Barrens

{T}: Add {C}.
{4}: Put two +1/+1 counters on this land. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a land.

Lulu, Loyal Hollyphant

Flying
At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on each tapped creature you control, then untap them.
Choose a Background (You can have a Background as a second commander.)

Orzhov Guildgate

Vanguard Seraph

Flying
Whenever you gain life for the first time each turn, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Unburied Earthcarver

{2}, Sacrifice another creature: Put a +1/+1 counter on this creature.

Inspiring Overseer

Flying
When this creature enters, you gain 1 life and draw a card.

Valkyrie's Call

Whenever a nontoken, non-Angel creature you control dies, return that card to the battlefield under its owner's control with a +1/+1 counter on it. It has flying and is an Angel in addition to its other types.

Falthis, Shadowcat Familiar

Commanders you control have menace and deathtouch.
Partner (You can have two commanders if both have partner.)

Swamp

Felidar Savior

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
When this creature enters, put a +1/+1 counter on each of up to two other target creatures you control.

Evolving Wilds

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

Farewell

Choose one or more —
• Exile all artifacts.
• Exile all creatures.
• Exile all enchantments.
• Exile all graveyards.

Coeurl

{1}{W}, {T}: Tap target nonenchantment creature.

Raise the Past

Return all creature cards with mana value 2 or less from your graveyard to the battlefield.

Forlorn Flats

This land enters tapped.
When this land enters, it deals 1 damage to target opponent.
{T}: Add {W} or {B}.

Foundry Inspector

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

Arashin Sunshield

When this creature enters, exile up to two target cards from a single graveyard.
{W}, {T}: Tap target creature.

Ajani's Pridemate

Whenever you gain life, put a +1/+1 counter on this creature.

Soulstone Sanctuary

{T}: Add {C}.
{4}: This land becomes a 3/3 creature with vigilance and all creature types. It's still a land.

Prideful Parent

Vigilance (Attacking doesn't cause this creature to tap.)
When this creature enters, create a 1/1 white Cat creature token.

Temple of Silence

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{T}: Add {W} or {B}.

Scoured Barrens

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {B}.

Night Market Guard

This creature can block an additional creature each combat.

Black Cat

When this creature dies, target opponent discards a card at random.

The Crystal's Chosen

Create four 1/1 colorless Hero creature tokens. Then put a +1/+1 counter on each creature you control.

Alien Symbiosis

Enchant creature
Enchanted creature gets +1/+1, has menace, and is a Symbiote in addition to its other types.
You may cast this card from your graveyard by discarding a card in addition to paying its other costs.

Plains

Savannah Lions

Burnished Hart

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Compass Gnome

When this creature enters, you may search your library for a basic land card or Cave card, reveal it, then shuffle and put that card on top.

Honor

Put a +1/+1 counter on target creature.
Draw a card.

Fight On!

Return up to two target creature cards from your graveyard to your hand.

Yathan Tombguard

Menace (This creature can't be blocked except by two or more creatures.)
Whenever a creature you control with a counter on it deals combat damage to a player, you draw a card and you lose 1 life.

Tethmos High Priest

Heroic — Whenever you cast a spell that targets this creature, return target creature card with mana value 2 or less from your graveyard to the battlefield.

Fate of the Sun-Cryst

This spell costs {2} less to cast if it targets a tapped creature.
Destroy target nonland permanent.

Sol Ring

G'raha Tia

Reach
The Allagan Eye — Whenever one or more other creatures and/or artifacts you control die, draw a card. This ability triggers only once each turn.

Spirited Companion

Friendly Teddy

When this creature dies, each player draws a card.

Spectacular Tactics

Choose one —
• Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn.
• Destroy target creature with power 4 or greater.