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.)

{T}: Add {C}.

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

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

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

Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment.

Whenever a creature you control attacks, you may put a quest counter on Beastmaster Ascension.

As long as Beastmaster Ascension has seven or more quest counters on it, creatures you control get +5/+5.

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

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.

At the beginning of your upkeep, look at the top card of your library. If it's a creature or planeswalker card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it on the bottom of your library.

When Cabaretti Courtyard enters the battlefield, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

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

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

Whenever a creature enters the battlefield under your control, put a +1/+1 counter on each creature you control.

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

Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains.

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

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

Changeling (This card is every creature type.)

Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

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.

Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.)

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

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.

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.

If you control a commander, you may cast this spell without paying its mana cost.

Creatures you control gain indestructible until end of turn.

({T}: Add {G}.)

({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}.

As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.

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

{T}: Add {C}.

{2}{G}{W}, {T}: Put a +1/+1 counter on each creature you control.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Whenever a nontoken creature enters the battlefield under your control, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

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.

Vigilance

When Highcliff Felidar enters the battlefield, for each opponent, choose a creature with the greatest power among creatures that player controls. Destroy those creatures.

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.

{R/P}: Immolating Souleater gets +1/+0 until end of turn. ({R/P} can be paid with either {R} or 2 life.)

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Whenever Jedit Ojanen of Efrava attacks or blocks, create a 2/2 green Cat Warrior creature token with forestwalk.

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

Jetmir's Garden enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

Creatures you control get +1/+0 and have vigilance as long as you control three or more creatures.

Creatures you control also get +1/+0 and have trample as long as you control six or more creatures.

Creatures you control also get +1/+0 and have double strike as long as you control nine or more creatures.

If you would create one or more tokens, you may instead create that many 2/2 green Cat creature tokens with haste or that many 3/1 green Dog creature tokens with vigilance.

Jungle Shrine enters the battlefield tapped.

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

Kabira Takedown deals damage equal to the number of creatures you control to target creature or planeswalker.

Kabira Plateau enters the battlefield tapped.

{T}: Add {W}.

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.

Indestructible

As long as your devotion to green and white is less than seven, Karametra isn't a creature.

Whenever you cast a creature spell, you may search your library for a Forest or Plains card, put it onto the battlefield tapped, then shuffle.

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.

Your opponents can't cast spells during your turn.

Whenever one or more creatures you control each with power greater than its base power deals combat damage to a player, draw a card.

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

Your opponents can't cast spells during combat.

Whenever a creature you control deals combat damage to a player, goad each creature that player controls. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

Cast this spell only before attackers are declared.

You choose which creatures attack this turn.

You choose which creatures block this turn and how those creatures block.

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.

Changeling (This card is every creature type.)

{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

If one or more tokens would be created under your control, twice that many of those tokens are created instead.

{1}{W/P}{W/P}, Sacrifice two other artifacts and/or creatures: Put an indestructible counter on Mondrak, Glory Dominus. ({W/P} can be paid with either {W} or 2 life.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Nacatl War-Pride must be blocked by exactly one creature if able.

Whenever Nacatl War-Pride attacks, create X tokens that are copies of Nacatl War-Pride and that are tapped and attacking, where X is the number of creatures defending player controls. Exile the tokens at the beginning of the next end step.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Choose one --

• Naya Charm deals 3 damage to target creature.

• Return target card from a graveyard to its owner's hand.

• Tap all creatures target player controls.

Other Dogs you control get +1/+1.

Whenever Pack Leader attacks, prevent all combat damage that would be dealt this turn to Dogs you control.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

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.

Creature tokens you control have haste.

Parley -- At the beginning of combat on your turn, each player reveals the top card of their library. For each land card revealed this way, you create a 1/1 green and white Citizen creature token. Then creatures you control get +1/+1 until end of turn for each nonland card revealed this way. Then each player draws a card.

({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}.)

As long as it's your turn, creature tokens you control get +1/+4.

{3}{W}: Create a 1/1 white Soldier creature token.

Partner (You can have two commanders if both have partner.)

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.)

Reach

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

Changeling (This card is every creature type.)

As Realmwalker enters the battlefield, choose a creature type.

You may look at the top card of your library any time.

You may cast creature spells of the chosen type from the top of your library.

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.

Creature spells you control can't be countered.

Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)

Whenever you cast a Dog spell, create a 1/1 green Cat creature token.

Whenever you cast a Cat spell, create a 1/1 white Dog creature token.

{R}{G}{W}, {T}: Rin and Seri, Inseparable deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest.

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

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Flying

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)

Lieutenant -- As long as you control your commander, other creatures you control have melee.

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

Ward {2}

Whenever Sovereign Okinec Ahau attacks, for each creature you control with power greater than that creature's base power, put a number of +1/+1 counters on that creature equal to the difference.

When Stalking Leonin enters the battlefield, secretly choose an opponent.

Reveal the player you chose: Exile target creature that's attacking you if it's controlled by the chosen player. Activate only once.

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

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

Equipped creature gets +1/+1.

Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Equip {2}

Changeling (This card is every creature type.)

Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

As Vanquisher's Banner enters the battlefield, choose a creature type.

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

Whenever you cast a creature spell of the chosen type, draw a card.