Rin and Seri, Inseparable

[+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.

{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.

Return target card from your graveyard to your hand.

Equipped creature has haste.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy.

Equip {2}

Whenever you cast a creature spell, draw a card.

{T}: Chandra's Magmutt deals 1 damage to target player or planeswalker.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

Creatures you control get +3/+3.

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

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

Sacrifice Commander's Sphere: Draw a card.

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.

Destroy target artifact, target creature, target enchantment, and target land.

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 creature card, reveal that card, put it into your hand, then shuffle.

When Esika's Chariot enters the battlefield, create two 2/2 green Cat creature tokens.

Whenever Esika's Chariot attacks, create a token that's a copy of target token you control.

Crew 4

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.

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.

Flash

When Fleetfoot Panther enters the battlefield, return a green or white creature you control to its owner's hand.

({T}: Add {G}.)

Kicker {2} (You may pay an additional {2} as you cast this spell.)

Search your library for a basic land card, put it onto the battlefield, then shuffle. If this spell was kicked, instead search your library for two basic land cards, put them onto the battlefield, then shuffle.

At the beginning of your upkeep, populate. (Create a token that's a copy of a creature token you control.)

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

Double strike

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

[+1]: Put a loyalty counter on Huatli, Radiant Champion for each creature you control.

[−1]: Target creature gets +X/+X until end of turn, where X is the number of creatures you control.

[−8]: You get an emblem with "Whenever a creature enters the battlefield under your control, you may draw a card."

{T}: Draw a card. Activate only if you created a token this turn.

{8}, {T}, Sacrifice Idol of Oblivion: Create a 10/10 colorless Eldrazi creature token.

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.

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.

Choose a creature type. Reveal cards from the top of your library until you reveal X creature cards of the chosen type, where X is the number of creatures you control of that type. Put those cards onto the battlefield, then shuffle the rest of the revealed cards into your library.

Other Cats you control get +2/+1.

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

Vigilance

When Loyal Warhound enters the battlefield, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Cycling {2} ({2}, Discard this card: Draw a card.)

Creatures you control get +1/+1.

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

({T}: Add {R}.)

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.

({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.)

Vigilance

Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on Prowling Felidar.

This spell can't be countered.

Creature spells you control can't be countered.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

{1}, Sacrifice Qasali Pridemage: Destroy target artifact or enchantment.

Reach

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

When Rambunctious Mutt enters the battlefield, destroy target artifact or enchantment an opponent controls.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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.

Create four 1/1 white Dog creature tokens.

You have no maximum hand size.

{T}: Add {C}.

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.

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

Suspend 2—{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

For each token you control, create a token that's a copy of that permanent.

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Trample

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

Until end of turn, creatures you control get +5/+5 and gain first strike, trample, and lifelink.

When Trusty Retriever enters the battlefield, choose one —

• Put a +1/+1 counter on Trusty Retriever.

• Return target artifact or enchantment card from your graveyard to your hand.

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

Flash

When Whitemane Lion enters the battlefield, return a creature you control to its owner's hand.

Exile target creature you don't control. For each creature exiled this way, its controller searches their library for a basic land card. Those players put those cards onto the battlefield tapped, then shuffle.

Overload {4}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Each land is a Forest in addition to its other land types.