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."

+1: Target permanent doesn't untap during its controller's next untap step.

-2: Ajani Vengeant deals 3 damage to any target and you gain 3 life.

-7: Destroy all lands target player controls.

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

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

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

+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.

When Ajani, Nacatl Pariah enters the battlefield, create a 2/1 white Cat Warrior creature token.

Whenever one or more other Cats you control die, you may exile Ajani, then return him to the battlefield transformed under his owner's control.

+2: Put a +1/+1 counter on each Cat you control.

0: Create a 2/1 white Cat Warrior creature token. When you do, if you control a red permanent other than Ajani, Nacatl Avenger, he deals damage equal to the number of creatures you control to any target.

-4: Each opponent chooses an artifact, a creature, an enchantment and a planeswalker from among the nonland permanents they control, then sacrifices the rest.

+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.

Flash

If an opponent would draw two or more cards, instead you and that player each draw a card.

{T}: Add {C}.

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

Flying

Whenever Armored Skyhunter attacks, look at the top six cards of your library. You may put an Aura or Equipment card from among them onto the battlefield. If an Equipment is put onto the battlefield this way, you may attach it to a creature you control. Put the rest of those cards on the bottom of your library in a random order.

Flying, vigilance, haste

Whenever a player attacks with three or more creatures, you draw a card.

Whenever a player attacks with five or more creatures, Aurelia, the Law Above deals 3 damage to each of your opponents and you gain 3 life.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Choose one --

• Boros Charm deals 4 damage to target player or planeswalker.

• Permanents you control gain indestructible until end of turn.

• Target creature gains double strike until end of turn.

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.

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

{R}: Chartooth Cougar gets +1/+0 until end of turn.

Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

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.

Choose one or both --

• Deafening Clarion deals 3 damage to each creature.

• Creatures you control gain lifelink until end of turn.

When Enlightened Ascetic enters the battlefield, you may destroy target enchantment.

Sacrifice Felidar Cub: Destroy target enchantment.

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.

Create X 1/1 red Elemental Cat creature tokens with haste. Exile them at the beginning of the next end step.

Flashback--{R}{R}, Sacrifice X Mountains. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Prevent all damage that would be dealt to Glittering Lion.

{3}: Until end of turn, Glittering Lion loses "Prevent all damage that would be dealt to Glittering Lion." Any player may activate this ability.

Prevent all damage that would be dealt to Glittering Lynx.

{2}: Until end of turn, Glittering Lynx loses "Prevent all damage that would be dealt to Glittering Lynx." Any player may activate this ability.

Protection from blue

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.

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.

{3}{W}: Put a +1/+1 counter on another target attacking creature you control. If that creature is a Cat, it gains first strike until end of turn.

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.

Flying

When Kemba's Skyguard enters the battlefield, you gain 2 life.

Other Cats you control get +2/+1.

Flash

When Kutzil's Flanker enters the battlefield, choose one --

• Put a +1/+1 counter on Kutzil's Flanker for each creature that left the battlefield under your control this turn.

• You gain 2 life and scry 2.

• Exile target player's graveyard.

Players can't search libraries. Any player may pay {2} for that player to ignore this effect until end of turn.

Whenever an artifact enters the battlefield, you may gain 1 life.

Flying

At the beginning of combat on your turn, if you control three or more creatures, Leonin Vanguard gets +1/+1 until end of turn and you gain 1 life.

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

{W}: Exile target card from a graveyard. If it was a permanent card, put a +1/+1 counter on Lion Sash.

Equipped creature gets +1/+1 for each +1/+1 counter on Lion Sash.

Reconfigure {2} ({2}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

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.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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.

When Oreskos Explorer enters the battlefield, search your library for up to X Plains cards, where X is the number of players who control more lands than you. Reveal those cards, put them into your hand, then shuffle.

Inspired -- Whenever Oreskos Sun Guide becomes untapped, you gain 2 life.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

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({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.)

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.

Sabertooth Alley Cat attacks each combat if able.

{1}{R}: Creatures without defender can't block Sabertooth Alley Cat this turn.

First strike

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.)

Whenever you gain life, you may pay {2}. If you do, Searing Meditation deals 2 damage to any target.

Flash (You may cast this spell any time you could cast an instant.)

When Seht's Tiger enters the battlefield, you gain protection from the color of your choice until end of turn. (You can't be targeted, dealt damage, or enchanted by anything of the chosen color.)

Flying, double strike

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.

Vigilance

Landfall -- Whenever a land enters the battlefield under your control, exile target permanent card with mana value 3 or less from your graveyard.

When Trove Warden dies, put each permanent card exiled with it onto the battlefield under the control of that card's owner.

This spell costs {1} less to cast for each creature on the battlefield.

Destroy all creatures.

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.

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