Double strike

Eternalize {3}{W}{W} ({3}{W}{W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Cat with no mana cost. Eternalize only as a sorcery.)

+1: You gain 2 life.

-1: Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

-6: Create a white Avatar creature token. It has "This creature's power and toughness are each equal to your life total."

+1: Until end of turn, up to one target creature gets +1/+1 and gains first strike, vigilance, and lifelink.

-2: Put a +1/+1 counter on each creature you control and a loyalty counter on each other planeswalker you control.

-7: You get an emblem with "If a source would deal damage to you or a planeswalker you control, prevent all but 1 of that damage."

+2: Reveal the top three cards of your library. Put all nonland permanent cards revealed this way into your hand and the rest on the bottom of your library in any order.

-2: Exile target creature. Its controller gains life equal to its power.

-9: Put five +1/+1 counters on each creature you control and five loyalty counters on each other planeswalker you control.

Whenever an enchantment enters the battlefield under your control, create a 2/2 white Cat creature token. If that enchantment is an Aura, you may attach it to the token.

+1: Put a +1/+1 counter on each of up to two target creatures.

-2: Return target creature card with mana value 2 or less from your graveyard to the battlefield.

-7: You get an emblem with "At the beginning of your end step, create three 1/1 white Cat creature tokens with lifelink."

+1: Put a +1/+1 counter on up to one target creature.

-3: Target creature gains flying and double strike until end of turn.

-8: Create X 2/2 white Cat creature tokens, where X is your life total.

+1: You gain life equal to the number of creatures you control plus the number of planeswalkers you control.

-2: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate."

0: If you have at least 15 life more than your starting life total, exile Ajani, Strength of the Pride and each artifact and creature your opponents control.

Creatures you control have vigilance.

+1: You gain 3 life.

-2: Put a +1/+1 counter on each creature you control and a loyalty counter on each other planeswalker you control.

Nontoken creatures you control get +1/+1 and have vigilance.

{T}: Add {C}.

{2}, {T}: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

Eminence -- At the beginning of combat on your turn, if Arahbo, Roar of the World is in the command zone or on the battlefield, another target Cat you control gets +3/+3 until end of turn.

Whenever another Cat you control attacks, you may pay {1}{G}{W}. If you do, it gains trample and gets +X/+X until end of turn, where X is its power.

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

Players can't cast spells from graveyards or activate abilities of cards in graveyards.

Whenever a creature dies, you gain 1 life.

Whenever you gain life for the first time each turn, create a 1/1 white Cat creature token.

{2}{W}: Another target Cleric gains lifelink until end of turn.

Equipped creature has deathtouch and lifelink.

Equip {2}

Blossoming Sands enters the battlefield tapped.

When Blossoming Sands enters the battlefield, you gain 1 life.

{T}: Add {G} or {W}.

{T}: Add {G}.

{T}: Add {W}.

As Caged Sun enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+1.

Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

({T}: Add {G} or {W}.)

Canopy Vista enters the battlefield tapped unless you control two or more basic lands.

Choose one --

• Destroy all creatures.

• Destroy all artifacts and enchantments.

Defender

{T}: Creatures you control gain haste until end of turn.

Mutate {2}{W}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Lifelink

Whenever this creature mutates, create two 1/1 white Cat creature tokens with lifelink.

Enchant player

Enchanted player can't cast more than one spell each turn.

Each player chooses a creature they control. Destroy the rest.

Flashback {5}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As Door of Destinies enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.

Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.

Landfall -- Whenever a land enters the battlefield under your control, choose one --

• Create a 2/2 white Cat Beast creature token.

• Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

Vigilance, lifelink

At the beginning of your upkeep, if you have 40 or more life, you win the game.

Other Cats you control get +1/+1 and have protection from Dogs.

Whenever one or more Cats you control deal combat damage to a player, destroy up to one target artifact or enchantment that player controls.

When Feral Prowler dies, draw a card.

Fertile Thicket enters the battlefield tapped.

When Fertile Thicket enters the battlefield, you may look at the top five cards of your library. If you do, reveal up to one basic land card from among them, then put that card on top of your library and the rest on the bottom in any order.

{T}: Add {G}.

{3}{G}{W}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.)

As long as Fleecemane Lion is monstrous, it has hexproof and indestructible.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

As Fortified Village enters the battlefield, you may reveal a Forest or Plains card from your hand. If you don't, Fortified Village enters the battlefield tapped.

{T}: Add {G} or {W}.

Destroy all creatures. You gain 1 life for each creature destroyed this way.

Whenever Graceful Cat attacks, it gets +1/+1 until end of turn.

As Hall of Triumph enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+1.

Whenever another creature enters the battlefield under your control, you gain 2 life.

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Target player gains 7 life.

Permanents you control gain hexproof and indestructible until end of turn.

({T}: Add {W}.)

Idyllic Grange enters the battlefield tapped unless you control three or more other Plains.

When Idyllic Grange enters the battlefield untapped, put a +1/+1 counter on target creature you control.

Destroy target attacking creature.

Whenever Initiate's Companion deals combat damage to a player, untap target creature or land.

Kicker {2}{G}

Choose one. If this spell was kicked, choose any number instead.

• Put two +1/+1 counters on target creature.

• Target player gains X life, where X is the greatest power among creatures they control.

• Target creature you control fights target creature you don't control.

At the beginning of your upkeep, create a 2/2 white Cat creature token for each Equipment attached to Kemba, Kha Regent.

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Khalni Territory enters the battlefield tapped.

{T}: Add {G}.

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.

When Leonin Relic-Warder enters the battlefield, you may exile target artifact or enchantment.

When Leonin Relic-Warder leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Whenever Leonin Warleader attacks, create two 1/1 white Cat creature tokens with lifelink that are tapped and attacking.

Equipped creature gets +3/+0 and has trample and lifelink.

Equip {3}

First strike

Whenever Mirri, Weatherlight Duelist attacks, each opponent can't block with more than one creature this combat.

As long as Mirri, Weatherlight Duelist is tapped, no more than one creature can attack you each combat.

Hexproof

If a source would deal damage to you, prevent that damage and put an incarnation counter on Nine Lives.

When there are nine or more incarnation counters on Nine Lives, exile it.

When Nine Lives leaves the battlefield, you lose the game.

When Oath of Ajani enters the battlefield, put a +1/+1 counter on each creature you control.

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

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

As Obelisk of Urd enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +2/+2.

White creature spells you cast cost {1} less to cast.

Whenever you cast a creature spell, create a 1/1 white Warrior creature token with vigilance.

As Pillar of Origins enters the battlefield, choose a creature type.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Flash

Pride Sovereign gets +1/+1 for each other Cat you control.

{W}, {T}, Exert Pride Sovereign: Create two 1/1 white Cat creature tokens with lifelink. (An exerted creature won't untap during your next untap step.)

When Pridemalkin enters the battlefield, put a +1/+1 counter on target creature you control.

Each creature you control with a +1/+1 counter on it has trample. (They can deal excess combat damage to the player or planeswalker they're attacking.)

When Prophetic Prism enters the battlefield, draw a card.

{1}, {T}: Add one mana of any color.

This spell can't be countered.

Creature spells you control can't be countered.

Reach

Whenever Qasali Slingers or another Cat enters the battlefield under your control, you may destroy target artifact or enchantment.

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

Other Cats you control get +1/+1 and have lifelink.

When Regal Caracal enters the battlefield, create two 1/1 white Cat creature tokens with lifelink.

Green creature spells you cast cost {1} less to cast.

Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn.

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

Lifelink

Embalm {W} ({W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Cat with no mana cost. Embalm only as a sorcery.)

Sandstone Bridge enters the battlefield tapped.

When Sandstone Bridge enters the battlefield, target creature gets +1/+1 and gains vigilance until end of turn.

{T}: Add {W}.

Scrounging Bandar enters the battlefield with two +1/+1 counters on it.

At the beginning of your upkeep, you may move any number of +1/+1 counters from Scrounging Bandar onto another target creature.

Selesnya Guildgate enters the battlefield tapped.

{T}: Add {G} or {W}.

Your opponents can't cast spells this turn.

Sunpetal Grove enters the battlefield tapped unless you control a Forest or a Plains.

{T}: Add {G} or {W}.

({T}: Add {G} or {W}.)

As Temple Garden enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{1}{G}: You may return another creature you control to its owner's hand. If you do, Temur Sabertooth gains indestructible until end of turn.

Trample

Landfall -- Whenever a land enters the battlefield under your control, put a +1/+1 counter on Territorial Scythecat.

This spell costs {X} less to cast, where X is the greatest power among creatures you control.

{T}: Add {G}{G}. You gain 2 life.

Whenever a nontoken creature enters the battlefield under your control, put a +1/+1 counter on it and draw a card.

Vigilance

Heroic -- Whenever you cast a spell that targets Vanguard of Brimaz, create a 1/1 white Cat Soldier creature token with vigilance.

Exile Watchers of the Dead: Each opponent chooses two cards in their graveyard and exiles the rest.

Create X 2/2 white Cat creature tokens. Shuffle White Sun's Zenith into its owner's library.