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."

At the beginning of your upkeep, you may gain 1 life.

Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Whenever a creature enters the battlefield under your control, you gain 1 life.

+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.

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}

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When Basri's Acolyte enters the battlefield, put a +1/+1 counter on each of up to two other target creatures you control.

Equipped creature gets +2/+2 and has trample and lifelink.

Equip {3}

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}.

Vigilance

Whenever Brimaz, King of Oreskos attacks, create a 1/1 white Cat Soldier creature token with vigilance that's attacking.

Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that's blocking that creature.

{G}{W}: Bronzehide Lion gains indestructible until end of turn.

When Bronzehide Lion dies, return it to the battlefield. It's an Aura enchantment with enchant creature you control and "{G}{W}: Enchanted creature gains indestructible until end of turn," and it loses all other abilities.

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

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.

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.

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.)

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

Exile target creature you control, then return it to the battlefield under its owner's control.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

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.

Enchant creature

Enchanted creature has lifelink.

{1}{W}: Attach Felidar Umbra to target creature you control.

Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

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.

{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}.)

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

When Generous Stray enters the battlefield, draw a card.

Graypelt Refuge enters the battlefield tapped.

When Graypelt Refuge enters the battlefield, you gain 1 life.

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

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.

Cats you control have protection from Rats. (They can't be blocked, targeted, or dealt damage by Rats.)

At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch.

Whenever a Rat dies, put a +1/+1 counter on each Cat you control.

As Icon of Ancestry enters the battlefield, choose a creature type.

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

{3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

({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.

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.

Whenever Jareth, Leonine Titan blocks, it gets +7/+7 until end of turn.

{W}: Jareth gains protection from the color of your choice until end of turn.

First strike

{3}{W}{W}: Attacking creatures you control get +X/+X until end of turn, where X is the number of attacking creatures.

Companion -- Each creature card in your starting deck is a Cat, Elemental, Nightmare, Dinosaur, or Beast card. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

Vigilance

Each other creature you control that's a Cat, Elemental, Nightmare, Dinosaur, or Beast gets +1/+1 and has vigilance.

Whenever one or more non-Human creatures you control deal combat damage to a player, draw a card.

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}.

Other Cats you control get +2/+1.

Krosan Verge enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

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

Enchant creature

Enchanted creature has "Whenever you gain life, put that many +1/+1 counters on this creature."

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

Equip {3}

Creatures you control get +1/+1.

Whenever you tap a land for mana, add one mana of any type that land produced.

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.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Mosswort Bridge enters the battlefield tapped.

{T}: Add {G}.

{G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

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.

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.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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}.)

({T}: Add {W}.)

({T}: Add {W}.)

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.)

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

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.

Creatures you control get +1/+1 until end of turn. Untap them.

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.

{T}: Add {C}.

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

Whenever a creature enters the battlefield under your control, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Whenever you cast a spell that targets a creature you control, draw a card.

Selesnya Guildgate enters the battlefield tapped.

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

Selesnya Sanctuary enters the battlefield tapped.

When Selesnya Sanctuary enters the battlefield, return a land you control to its owner's hand.

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

{1}, {T}: Add {G}{W}.

Enchant creature

Enchanted creature gets +1/+1 and has vigilance.

Escape--{W}, Exile two other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

{T}: Add {C}{C}.

Choose one --

• Creatures you control get +2/+2 until end of turn.

• Until end of turn, creatures you control gain "Whenever this creature deals damage, you gain that much life."

Entwine {1}{W} (Choose both if you pay the entwine cost.)

{T}: Add {C}.

{T}: Add {G} or {W}. Talisman of Unity deals 1 damage to you.

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.

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